Indian Institute of Information Technology, Design and Manufacturing, Kurnool (IIITDM Kancheepuram Campus) Chennai Tender Document.

Transcription

1 Indian Institute of Information Technology, Design and Manufacturing, Kurnool (IIITDM Kancheepuram Campus) Chennai Tender Document For Supply and Installation of Electronic Drives Lab Equipment 1

2 Date: Item : Supply and Installation of Electronic Drives Lab Equipment (Specification and Quantity enclosed as Annexure) Tender Enquiry No : IIITKL/18-19/S&P/Electronic Lab Eqpt./008 Dt EMD : Submission of Offer : Place of Submission Bid : Due Date (For submission of bids) : Earnest Money Deposit (EMD) for Rs.14,000/- (Rupees Fourteen Thousand Only) in the form of Demand Draft drawn in favour of IIIT Kurnool payable at Chennai. Two Bid System: Two bid system will be followed in this tender. In this system the bidder must submit his offer in two separate sealed envelopes. Both the technical bid and commercial bid envelopes should be securely sealed and stamped separately and clearly marked as Envelope No: 1 Technical Bid and Envelope No: 2 Commercial Bid respectively. EMD should be placed in the Technical Bid. This two separate sealed envelopes should be placed in single envelope superscribing the tender No and description of the item. The Mentor Director Indian Institute of Information Technology, Design and Manufacturing Kurnool IIITDM Kancheepuram campus Off Vandalur Kelambakkam Road, Melakkottaiyur, Chennai PM (any bid received after the due date and time by any means will be summarily rejected) Opening of Technical Bid : 04:00 PM, Delivery Period : 06 weeks from the date of Purchase Order Important : All communications are to be addressed to in the name of Mentor Director, IIITDM Kurnool only and not in the name of any officer and mails has to be sent to official purchase id purchase@iiitk.ac.in 2

3 Terms and Conditions 1. The Bidders are requested to give detailed tender in two bid format. Envelope-I : Technical Bid Envelope-II : Commercial Bid 2. The bidder has to accept all terms and conditions of the Institute and conditional offers will not be accepted. 3. The tender document can be downloaded from the IIITDM Kurnool website at free of cost. The duly filled tenders should be submitted to The Mentor Director, Indian Institute of Information Technology, Design and Manufacturing, Kurnool, IIITDM Kancheepuram Campus, Off Vandalur Kelambakkam Road, Melakkottaiyur, Chennai on or before due date PM, Extension of due date will not be entertained. 4. Tenders which are submitted without following the two bid offer system will summarily be rejected. 5. Envelope No-1 : Technical Bid i) EMD for Rs.14,000/- (Rupees Fourteen Thousand only) in the form of Demand Draft drawn in favour of IIIT Kurnool payable at Chennai. (The EMD without interest shall be returned to the unsuccessful bidders after finalization of the tender). ii) The firms registered and having valid NSIC Certificate are exempt from submission of EMD. iii) The leaflet / catalogue of the product quoted. iv) The copies of purchase orders received from Industry / Educational / Research Institution etc. v) Bids should have a validity of 60 days. vi) The technical offer should not contain any price information. 6. Envelope No-2 : Commercial Bid This should contain only the price information along with commercial terms and conditions. 7. Opening of Technical Bids The technical bids will be opened on the scheduled date in the presence of the bidders or their authorized representatives who choose to attend the technical bid opening. 8. Technical Evaluation i) All the technical aspects of the bids received will be evaluated for suitability and specification. If required, the Institute may seek additional clarification from the bidders. ii) The technical recommendation shall be final and binding on all the parties. iii) The technically qualified firms will be intimated about Price Bid opening by . 3

4 9. Opening of Commercial Bids The Institute will open commercial bids of only the shortlisted bidders in technical evaluation in the presence of the bidders or their authorized representatives who choose to attend the commercial bid opening. The representatives of shortlisted firms only will be allowed for commercial bid opening. 10. Delivery Period / Timelines The deliveries and installation must be completed within 06 weeks from the date of purchase order. The time is the essence of the contract. It is mandatory for the bidders who respond to this bid to meet this expectation, as this is linked to student s admission. 11. Locations for the supply / services The bidders may note that the items covered by this document is required to be supplied and installed at IIITDM Kurnool, Jagannathagattu, Near Pullareddy Engineering College Dinnedevarapadu village, Kurnool, Kurnool District Andhra Pradesh. The Institute will not provide any accommodation / transportation for the engineers / representatives for attending installation, commissioning and demonstration work. It is the absolute responsibility of the principal supplier / agent to make their own arrangements. 12. Price i) The price should be quoted in INR only. GST payable extra. ii) The price quoted shall be for supply, delivery and Installation at specified room of IIITDM KURNOOL, Kurnool District, Andhra Pradesh. iii) The packing, forwarding, freight, insurance and commissioning charges, if any extra may be quoted separately in commercial bid. 13. Installation i) Bidder shall be responsible for installation as applicable and for after sales service during the warranty and thereafter. ii) Installation to be arranged by the supplier free of cost and the same is to be done within 15 days of the arrival of the item at site. 14. Warranty / Support i) The items supplied shall carry the warranty as per the requirement mentioned in the technical specification. 4

5 ii) The defects, if any, during the guarantee / warranty period are to be rectified free of charge by arranging free replacement wherever necessary. This includes cost, insurance, freight, custom duty, octroi, local taxes if any and should be borne by the beneficiary or his agent. iii) The bidder should arrange for technical support during warranty period within 24 Hours of lodging of complaint 15. Indemnity The vendor shall indemnify, protect and save IIITDM Kurnool against all claims, losses, costs, damages, expenses, action suits and other proceeding, resulting from infringement of any law pertaining to patent, trademarks, copyrights etc., or such other statutory infringements in respect of all the items supplied by them. 16. Freight and Insurance The items to be supplied will be insured by the vendor at his cost against all risks of loss or damage from the date of shipment till such time it is delivered at IIITDM Kurnool, Kurnool District, Andhra Pradesh. 17. Payment 100% payment after delivery, installation and acceptance by IIITDM on submission of Bank Guarantee for an equivalent value of 5% of PO value valid till warranty period plus 2 months. The bidders may note that other modes of payment like advance payment and payment against delivery is not considered. 18. Penalty for delayed services / LD i) As time is the essence of the contract, delivery period mentioned in the purchase order should be strictly adhered to. Otherwise the LD clause will be applied / enforced. ii) If the supplier fails to supply, and fix the item as per specifications mentioned in the order within the due date, the supplier is liable to pay liquidated damages of 1% of order value for delay of every week or or part thereof subject to a maximum of 10% beyond the due date. Such money will be deducted from any amount due or which may become due to the supplier. iii) IIITDM Kurnool reserves the right to cancel the order in case the delay is more than 04 weeks and the contractor is not eligible for any damage from the Institute and contractor will forfeit his claim for EMD. 19. Purchasers right to vary quantities at the time of award IIITDM Kurnool reserves the right at the time of award of contract to increase or decrease the quantity of items specified in the schedule of requirements without any change in price or other terms and conditions. 5

6 20. Jurisdiction The disputes, legal matters, court matters, if any, shall be subject to Courts in the district of Kurnool Jurisdiction only. 21. Force Majeure a) IIITDM Kurnool may consider relaxing the penalty and delivery requirements, as specified in this document, if and to the extent that the delay, in performance or other failure to perform its obligations under the contract, is the result of a force majeure. b) If the due date of submission of tender / Tender opening is declared a holiday for the Institute, the due date for submission of tender / Tender will be extended to same time on next working day. 22. Arbitration All disputes of any kind arising out of supply, commissioning, acceptance, warranty maintenance etc., shall be referred by either party (IIITDM Kurnool or the bidder) after issuance of 30 days notice in writing to the other party clearly mentioning the nature of dispute and will be referred to the arbitrator to be nominated by The Mentor Director, IIITDM Kurnool. The Venue for arbitration shall be Chennai / Hyderabad, India. 23. Acceptance of the terms and conditions of tender document The bidders has to accept all the terms and conditions of this tender document and it is made known that the bidders quoting for this tender had impliedly accepted the terms and conditions of this tender. 24. Interpretation of the clauses in the Tender Document In case of any ambiguity / dispute in the interpretation of any of the clause in this tender document, interpretation of The Mentor Director, IIITDM Kurnool shall be final and binding on all parties. The IIITDM Kurnool reserves the right to accept the offer in full or in parts or reject the offer summarily or partly without assigning any reasons. Sd/- Mentor Director 6

7 Annexure List of Experiments Specifications 1. Thyristor Based speed control of DC Shunt Motor (Qty - 1 Set) A. 1Ø SCR Power Module This power module should be designed by using SCR & DIODE for AC-DC Controlled Converter applications. This power module should be used for both DC Motor open loop & closed loop speed control application by external PWM controller interfacing. SCR based Half & Fully Controlled Converter Four numbers of SCR, 25A, fixed With proper heat sink for cooling and Snubber circuit Two numbers of Diode ( 35A, 1200V) with With proper heat sink for cooling and Snubber circuit 4 numbers of Pulse amplifier & 1:1 Pulse transformer for all pulse isolation One numbers of 230/9V Supply synchronizing transformer & ZCD Circuit is provided for SCR Pulse generation MCB provided for input power ON/OFF SCR &Diode outputs and AC inputs are terminated in banana connector Specifications- Input- 230VAC, Output 0-200V 5A, Suitable for RL load & Motor Control applications Note: All switching pulse waveform, Input voltage & current waveform & Output voltage waveform has to be available for measurement with proper Protection. B. Microcontroller based PWM Controller This PWM controller should be designed with DSP controller chip specially designed for Power Electronics & Motor control applications and this controller should be used to generate PWM Signals for SCR, IGBT based power electronics application like DC-AC Inverter, DC-DC Chopper & SCR converter based AC/DC/BLDC Switched Reluctance Motor (SRM) control application. PWM output of this controller could be directly interfaced with Power Module through External cable connection. Includes High-Performance DSP controller with 48kb Internal Flash Program Memory or above 6 Numbers of PWM Outputs up to KHZ of switching frequency or above RS232 Connection with MAX232 And USB Internal EEPROM Five 16-bit Timers or above Power, Programming and Test LED's or above 2MB PROM & 24 MHz clock speed or above USB - PGM Down loader 6 Numbers of ADC input or above QEP Sensor /Hall sensor/speed sensor(proximity)interface PWM increment & decrement key Reset switch & LED s for Sensor status 7

8 C.1 HP /DC Shunt Motor with spring balance load set up D. Accessories : Variable Field supply, Field Rheostat & Meter for Armature voltage,field current,armature current & speed measurement 2. Four Quadrant Operation DC / SERVO Motor 750W A. IGBT Power Module (Voltage source Inverter) 20 X 4 LCD screen PWM outputs are terminated by 34 pin FRC Connector USB Based Program downloader : One number of USB based program downloader for PGM Development Type: DC Shunt Motor Power : 1 hp Voltage: 200vdc for Armature & Field Speed : 1500 RPM Feedback sensor: Proximity sensor Loading : Spring balance loading Make : BENN /RAMSON/OMEGA/Siemens Spring balance Loading One number Brake DRUM with spring balance set up is coupled with the above motor Two numbers of dial indication for Load in Kg measurement All are mounted on a powder coated mechanical set up One number of variable dc supply VDC@2A should be provided One number of Variac is provided to adjust the input AC supply One number of 500E/2A Rheostat should be provided Digital Voltmeter 0 to 300 V DC (Armature voltage) 1 No. Digital Ammeter 0 to 2 Amps (field current) 1 No. Digital Ammeter 0 to 10 Amps (armature current) 1 No should be provided All above items except rheostat to be fitted in the panel 1 Set as per specification suitable 1 HP DC motor This power module should be designed by using IGBT based Smart Power Module (SPM) for AC/DC Motor control application. This power module can be used for AC, DC, BLDC, PMSM Motor application by proper external PWM controller interfacing (like Dspic, FPGA & DSP). This Module consists of IGBT One Number of SPM-Smart Power Module 600V, 20A based Voltage source inverter Power circuit SPM-IGBT is fixed with suitable heat sink and snubber circuit for protection IGBT Power circuit input and outputs are terminated by suitable rating banana connectors in front panel with necessary indication DIODE RECTIFIER One number of diode rectifier ( 35A ) is provided to converter input AC voltage to DC Bus voltage DC Capacitor is provided (centre point type) at diode rectifier output side for Filter Analogue DC Voltmeter is provided to measure DC Bus voltage PWM ISOLATOR 8

9 Six Number of PWM Isolator IC (6N137) is used to isolate All the six PWM signals input One number of fixed dc power supply is provided for PWM Isolator input side for power excitation One number of fixed dc power supply is provided for PWM Isolator Output side power excitation PWM Driver Built in IGBT Gate Driver is provided in SPM for IGBT Gate signal amplification. SENSORS 3 numbers of Hall effect current 25A is provided for 3Ø output AC/DC Current measurement 1 numbers of Hall effect current 25A is provided for Input DC bus Current measurement Op-Amp based Signal conditioner circuits are provided in all sensors for output current signals amplifications All current sensor signal conditioner circuit outputs are terminated in front panel by suitable connectors PROTECTION CIRCUIT One number of automatic trip circuit is provided for O/C protection LED is provided for trip status indication Reset switch is provided for TRIP RESET CONNECTORS One number of 34 pin FRC Connector is provided for PWM input signal input and feed back Banana connectors are provided for AC input Banana connectors are provided for 3 phase output Test points are provided for PWM signal and Current wave form measurements MCB is provided at input side for Input supply ON/OFF SPECIFICATION Power Circuit Input : 0-230VAC, 50 HZ (or) VDC Output : Voltage, Variable frequency(or)0+/- 280VDC PWM Section Number of PWM Input : 6 Maximum PWM Frequency : 15KHZ,PWM Level : 0-5V (TTL) B. Microcontroller based PWM Controller This PWM controller should be designed with DSP controller chip specially designed for Power Electronics & Motor control applications and this controller should be used to generate PWM Signals for SCR, IGBT based power electronics application like DC-AC Inverter,DC-DC Chopper & SCR converter based AC/DC/BLDC Switched Reluctance Motor (SRM) control application. PWM output of this controller could be directly interfaced with Power Module through External cable connection. Includes High-Performance DSP controller with 48kb Internal Flash Program Memory or above 6 Numbers of PWM Outputs up to KHZ of switching frequency or above RS232 Connection with MAX232 and USB 9

10 C. 1 HP /PMDC Motor with spring balance load set up Internal EEPROM Five 16-bit Timers or above Power, Programming and Test LED s or above 2MB PROM & 24 MHz clock speed or above USB PGM Down loader 6 Numbers of ADC input or above QEP Sensor /Hall sensor/speed sensor(proximity)interface PWM increment & decrement key Reset switch & LED s for Sensor status 20 X 4 LCD screen PWM outputs are terminated by 34 pin FRC Connector USB Based Program downloader : One number of USB based program downloader for PGM Development PMDC Motor with load set up Type: PMDC Motor Power : 1 hp Voltage: 180V Speed : 1500 RPM Feedback sensor : Proximity sensor Loading : Spring balance loading Make : TC /MICROTECH Spring balance loading One number Brake DRUM with spring balance set up is coupled with the above motor Two numbers of dial indication ( 0-10KG) for Load measurement in Kg All are mounted on a powder coated mechanical set up Note: Four quadrant operation provide to observe PWM signals, Motoring & Braking with Current & Voltage waveforms Servomotor provide Both open loop and closed loop operation by PID control adjustment with proper measurements. 3. Induction Motor drive (V/F Control) (Qty 1 Set) This set up consists of A. IGBT Power Module (Voltage source Inverter) This power module should be designed by using IGBT based Smart Power Module (for AC/DC Motor control application. This power module can be used for AC, DC, BLDC, PMSM Motor application by proper external PWM controller interfacing (like Dspic, FPGA & DSP). This Module must consist of IGBT One Number of SPM-Smart Power Module ( Model FSBB20CH60B ) 600V, 20A based Voltage source inverter Power circuit SPM-IGBT is fixed with suitable heat sink and snubber circuit for protection IGBT Power circuit input and outputs are terminated by suitable rating banana connectors in front panel with necessary indication DIODE RECTIFIER One number of diode rectifier ( 35A ) has to be provided to converter input AC voltage to DC Bus voltage 10

11 DC Capacitor to be provided ( centre point type) at diode rectifier output side for Filter Analogue DC Voltmeter is provided to measure DC Bus voltage PWM ISOLATOR Six Number of PWM Isolator IC (6N137) is used to isolate All the six PWM signals input One number of +15V@1amp fixed dc power supply is provided for PWM Isolator input side for power excitation One number of +5V@1amp fixed dc power supply is provided for PWM Isolator Output side power excitation PWM Driver Built in IGBT Gate Driver is provided in SPM for IGBT Gate signal amplification. SENSORS 3 numbers of Hall effect current 25A is provided for 3Ø output AC/DC Current measurement 1 numbers of Hall effect current 25A is provided for Input DC bus Current measurement Op-Amp based Signal conditioner circuits are provided in all sensors for output current signals amplifications All current sensor signal conditioner circuit outputs are terminated in front panel by suitable connectors with proper isolation & protection. PROTECTION CIRCUIT One number of automatic trip circuit is provided for O/C protection LED is provided for trip status indication Reset switch is provided for TRIP RESET CONNECTORS One number of 34 pin FRC Connector is provided for PWM input signal input and feed back Banana connectors are provided for AC input Banana connectors are provided for 3 phase output Test points are provided for PWM signal and Current wave form measurements MCB is provided at input side for Input supply ON/OFF SPECIFICATION Power Circuit Input : 0-230VAC, 50 HZ (or) 0-300VDC Output : 3 Ø 5A, Variable Voltage, Variable frequency(or)0+/- 280VDC PWM Section Number of PWM Input : 6 Maximum PWM Frequency : KHZ PWM Level : 0-5V (TTL) B. Microcontroller based PWM Controller This PWM controller should be designed with DSP controller chip specially designed for Power Electronics & Motor control applications and this controller should be used to generate PWM Signals for SCR, IGBT based power electronics application like DC-AC Inverter,DC-DC Chopper & SCR converter based AC/DC/BLDC Switched Reluctance Motor (SRM) control application. PWM output of this controller could be directly interfaced with Power Module through External cable connection. 11

12 C. 1 HP and 3Ø AC Motor with spring balance load set up Includes High-Performance DSP controller with 48kb Internal Flash Program Memory or above 6 Numbers of PWM Outputs up to KHZ of switching frequency or above RS232 Connection with MAX232 and USB Internal EEPROM Five 16-bit Timers or above Power, Programming and Test LED s or above 2MB PROM & 24 MHz clock speed or above USB PGM Down loader 6 Numbers of ADC input or above QEP Sensor /Hall sensor/speed sensor(proximity)interface PWM increment & decrement key Reset switch & LED s for Sensor status 20 X 4 LCD screen PWM outputs are terminated by 34 pin FRC Connector USB Based Program downloader : One number of USB based program downloader for PGM Development 3Ø AC Motor set up with speed feedback sensor This 3 phase squirrel cage induction motor has to be used as load for 3 phases Inverter set up for open loop & closed loop control applications. Specifications are Type : 3Ø Squirrel Cage Induction Motor Power : 1hp Voltage: 415/200V Speed : 1415rpm Make : Siemens /CG/KEC Feedback sensor : Proximity sensor Loading arrangement : Spring balance type loading arrangement with dial indication Note: Should provide measurement (Display) for current, speed, output voltage, its waveform, PWM switching waveform with proper isolation & protection. Spring balance loading One number Brake DRUM with spring balance set up is coupled with the above motor Two numbers of dial indication ( 0-10kg) for Load measurement in Kg All are mounted on a powder coated mechanical set up 4. Universal Motor Drive (Qty 1 Set) A. TRIAC Power Module 1Ø TRIAC/SCR POWER MODULE This power module should be designed by using TRIAC based AC-AC Voltage Converter applications.this power module can be used for Universal motor speed control application by external PWM controller interfacing. One number of TRIAC is provided for AC Voltage Regulator Power Circuit TRIAC 12A, fixed With proper heat sink for cooling and Snubber circuit 2 numbers of Pulse amplifier & 1;1 Pulse transformer for all pulse isolation 12

13 B. 1HP Universal Motor with spring balance load set up 5. BLDC drive (Qty 1 Set) A. IGBT Power Module (Voltage source Inverter) One numbers of 230/9V Supply synchronizing transformer & ZCD Circuit is provided for TRIAC Pulse generation MCB provided for input power ON/OFF TRIAC outputs and AC inputs are terminated in banana connector Specifications- Input- 230VAC, Output 0-200V 5A, Suitable for variable RL load & Motor Control applications Universal Motor set up Specifications are Type : 1Ø Universal Motor Power : FHP (0.25HP) Voltage: 200VAC/DC Speed : 3000rpm Make : RAMSON Speed/RPM sensor : Proximity sensor Loading arrangement : Spring balance type loading arrangement with dial indication Spring balance loading One number Brake DRUM with spring balance set up is coupled with the above motor Two numbers of dial indication ( 0-10kg) for Load measurement in Kg All are mounted on a powder coated mechanical set up This power module should be designed by using IGBT based Smart Power Module (SPM) for AC/DC Motor control application. This power module can be used for AC, DC, BLDC, PMSM Motor application by proper external PWM controller interfacing (like Dspic, FPGA & DSP). This Module consists of IGBT One Number of SPM-Smart Power Module ( Model FSBB20CH60B ) 600V, 20A based Voltage source inverter Power circuit SPM-IGBT is fixed with suitable heat sink and snubber circuit for protection IGBT Power circuit input and outputs are terminated by suitable rating banana connectors in front panel with necessary indication DIODE RECTIFIER One number of diode rectifier ( 35A ) is provided to converter input AC voltage to DC Bus voltage DC Capacitor is provided ( centre point type) at diode rectifier output side for Filter Analogue DC Voltmeter is provided to measure DC Bus voltage PWM ISOLATOR Six Number of PWM Isolator IC (6N137) is used to isolate All the six PWM signals input One number of +15V@1amp fixed dc power supply is provided for PWM Isolator input side for power excitation One number of +5V@1amp fixed dc power supply is provided for PWM Isolator Output side power excitation PWM Driver Built in IGBT Gate Driver is provided in SPM for IGBT Gate signal amplification. 13

14 SENSORS 3 numbers of Hall effect current 25A is provided for 3Ø output AC/DC Current measurement 1 numbers of Hall effect current 25A is provided for Input DC bus Current measurement Op-Amp based Signal conditioner circuits are provided in all sensors for output current signals amplifications All current sensor signal conditioner circuit outputs are terminated in front panel by suitable connectors PROTECTION CIRCUIT One number of automatic trip circuit is provided for O/C protection LED is provided for trip status indication Reset switch is provided for TRIP RESET CONNECTORS One number of 34 pin FRC Connector is provided for PWM input signal input and feed back Banana connectors are provided for AC input Banana connectors are provided for 3 phase output Test points are provided for PWM signal and Current wave form measurements MCB is provided at input side for Input supply ON/OFF SPECIFICATION Power Circuit Input : 0-230VAC, 50 HZ (or) 0-300VDC Output : 3 Ø 5A, Variable Voltage, Variable frequency(or)0+/- 280VDC PWM Section Number of PWM Input : 6 Maximum PWM Frequency : 15-20KHZ PWM Level : 0-5V (TTL) B. Microcontroller based PWM Controller This PWM controller should be designed with DSP controller chip specially designed for Power Electronics & Motor control applications and this controller should be used to generate PWM Signals for SCR, IGBT based power electronics application like DC-AC Inverter,DC-DC Chopper & SCR converter based AC/DC/BLDC Switched Reluctance Motor (SRM) control application. PWM output of this controller could be directly interfaced with Power Module through External cable connection. Includes High-Performance DSP controller with 48kb Internal Flash Program Memory or above 6 Numbers of PWM Outputs up to KHZ of switching frequency or above RS232 Connection with MAX232 Internal EEPROM Five 16-bit Timers or above Power, Programming and Test LED s or above 2MB PROM & 24 MHz clock speed or above USB PGM Down loader 6 Numbers of ADC input or above QEP Sensor /Hall sensor/speed sensor(proximity)interface PWM increment & decrement key Reset switch & LED s for Sensor status 14

15 C. 1 HP /BLDC Motor with spring balance load set up 6. Stepper Motor (universal type) (Qty - 1 Set) A. Stepper Motor Drive ( Half step, Full step & Micro step Operation ) 20 X 4 LCD screen PWM outputs are terminated by 34 pin FRC Connector USB Based Program downloader : One number of USB based program downloader for PGM Development BLDC Motor with Spring balance load set up Type : BLDC Motor (15rapezoidal Back Emf) Power : 1 hp Voltage : 300VDC- Speed : 4500 RPM Feedback sensor : 3 Number of Hall sensor Loading : spring balance loading Make : PLI/IMPORTED Note: All PWM switching pulses,hall sensor signals,output current,back emf has to be available to Absorb in DSO,It must be Noise free and must follow Typical waveforms Spring balance loading One number Brake DRUM with spring balance set up is coupled with the above motor Two numbers of dial indication ( 0-10kg) for Load measurement in Kg All are mounted on a powder coated mechanical set up This trainer is to study the speed control (Half step, Full step & Micro step) / working principle of Stepper Motor Control circuit using MOSFET based power converter. This trainer has One number of Stepper motor fixed on a frame IRF250 MOSFET with necessary heat sink is provided for power circuit (stepper motor driver) One number of IC (TL494) based Variable Frequency PWM Controller One number of potentiometer is provided for PWM frevariation One number of OPTO is provided for PWM isolation IR2110 IC Based MOSFET driver is provided for pulse amplification Toggle switch is provided for PWM ON/OFF PWM Output is terminated by connectors for power circuit external connection 12vdc is provided with Fuse protection is provided for power circuit input ON/OFF Switch is provided for Power circuit (12v dc) input voltage Note: Provision has to be given to measure step angle for different scheme(half, full & micro) Both Unipolar and Bipolar mode operation must be available for above experiments Switching Pwm signals & Output voltage has to be provided outside for observation purpose(must be noise free) 15

16 7. 1Ø Half & Fully Controlled Converter with R & RL Load (Qty 1 Set) This trainer is to study the working principle of SCR based Half & fully controlled converter, ac regulator power circuit for R,RL,RLE load. This trainer consists of 1. SCR Firing pulse controller 2. SCR Power Module Four number of TYN612 SCR with heat-sink is provided for Power circuit Two number of Power diode is provided for Power circuit One number of Digital- Firing circuits with firing angle adjustments (180-0degree) Keys are provided for firing angle adjustments Four Numbers of Pulse outputs are terminated for external Patching. 24V,3Amp AC is provided for power circuit inputs One number of power resistor is provided as fixed R Load with terminations for External patching One number of Fixed inductor is provided as fixed L Load with terminations for External patching All necessary test points are provided for external patching All are mounted on a nice cabinet with sticker front panel with mimic diagram Power circuit Input is 24VAC &230VAC input with power ON/OFF Switch Note: Triggering pulse,output voltage,current with different load has to be provided for measuring (Noise free waveforms) with proper isolation for control & power signals with protection. 8. 1Ø & 3Ø Square wave & SPWM Inverter (Qty 1 Set) This trainer can be designed to study the working principle of IGBT based DC-AC inverter ( single phase & 3 phase) using various PWM techniques. It consists of 1. IGBT PWM Controller & 3 Phase IGBT Power Circuit 2. RL Load & DC Power supply PWM controller Digital IC (Dspic4011) based Single phase & 3 Phase PWM generation 6 Numbers of PWM Outputs with Frequency & Modulation index variation Digital keys for PWM adjustment LCD is provided to display PWM Details 5 KHz Switching frequency operation PWM outputs are terminated by front panel Connector IGBT power module (Voltage source Inverter) 3 Phase Voltage source inverter Power circuit using 6 number of IGBT 600V, 20A IGBT is fixed with suitable heat sink and snubber circuit for protection IGBT Power circuit input and outputs are terminated by suitable rating banana connectors in front 16

17 panel with necessary indication One number of diode rectifier ( 35A ) is provided to converter input AC voltage to DC Bus Voltage DC Capacitor is provided ( centre point type) at diode rectifier output side for Filter Six Number of PWM Isolator IC (6N137) is used to isolate All the six PWM signals input One number of +15V@1amp fixed dc power supply is provided for PWM Isolator input side for power excitation Built in IGBT Gate Driver (IR2112)is provided in SPM for IGBT Gate signal amplification Power Circuit Input 0-30V DC Output : 3 Ø 2A, Variable Voltage, Variable frequency DC Power supply 0-30V /2A DC Power supply for Power circuit Input RL Load 3 Numbers of fixed R & Fixed L load is provided Note: All Switching signals(sine wave, carrier wave, PWM wave), output voltage & Output current must be available outside for measurement (smooth Waveforms) with proper isolation and Protection 9.Load test on 3 phase Induction Motor (Qty - 1 Set) A. 3 Ø, 3 HP AC Induction Motor with spring balance load set up B. Control Panel with meter for the above motor-refer spec C. 3 Ø Autotransformer-10A 10. Accessories 1Ø Autotransformer-3 KVA This set up should have Type : 3Ø Squirrel Cage Induction Motor Power : 1hp Voltage : 415VAC Speed : 1415rpm Make : Siemens /CG/KEC Feedback sensor : Proximity sensor Loading arrangement : Spring balance type loading arrangement with dial indication Control panel setup This set up consists of MS Channel (as per diagram) with diagram printed sticker front panel DOL Starter with input terminals 3 phase AC MCB with indicator Fuse Digital Ammeter, Voltmeter, Power meter & P.F Meter Digital speed indicator Banana connectors for motor input etc 1 nos 3Ø Autotransformer-2 KVA Connector 1 nos All above experimental setup should be provided with suitable connectors and wires for power connection and signal connection 17

18 Important Note: The quotation should consist of all photograph of equipment for each experimental setup and labeling should be done all signals. It also contains photograph of list of equipment and accessories to be supplied. The successful demonstration of all equipment should be given after supply and equipment specifications should as per given tender documents. The unsuccessful demonstration of experiment as well as supply of equipment with lower specification may lead to cancellation of the order. Warranty: One year from the date of successful demonstration of experimental setup Installation: Free of cost 18