University Visvesvaraya College of Engineering K.R.Circle, -560001 INVITATION FOR QUOTATION TEQIP-II/2013/KA2G01/Shopping/25 29-Nov-2013 To, Sub: Invitation for Quotations for supply of Goods Dear Sir, 1. You are invited to submit your most competitive quotation for the following goods with item wise detailed specifications given at Annexure I, Sr. No Brief Description Quantity Delivery Period(In days) Place of Delivery Installation Requirement (if any) 1 Closed loop DC motor speed control unit DCS 2 Closed loop speed control of 3-phase induction motor ACS 3 DC Chopper Microcontoller based firing circuit 1 45 Principal, 4 DC chopper
5 Digital firing circuit 2 45 Principal, 6 Fast Recovery diode Module 3 45 Principal, 7 Parallel Bridge inverter PI/PBI 30V @ 2A 8 Power IGBT Module : 19A/600V 2 45 Principal, 3 45 Principal, 9 Power MOSFET Module 3 45 Principal, 10 Power Mosfet step up and step down chopper - PMC 2 45 Principal, 11 R & RC firing circuit 3 45 Principal, 12 Regulated DC Power Supply(Dual) 13 Regulated DC Power Supply(Single) 5 45 Principal, 5 45 Principal, 14 SCR Module 3 45 Principal,
15 SCR, TRIAC, DIAC, MOSFET & IGBT Characteristics study Unit : CSU 16 Single phase converter firing unit LCD 17 Single Phase converter firing Unit SCF 18 Single phase converter 19 Single phase Cyclo Converter firing circuit 20 Single phase cyclo converter 21 Single phase dual converter Firing Unit 22 Single phase dual converter 23 Single phase PWM inverter - 24V/2A 24 Speed control of a separately excited DC motor using an IGBT or MOSFET 2 45 Principal, 2 45 Principal, 3 45 Principal,
chopper 25 Stepper motor controller SMC 26 Three phase converter Firing unit 27 Three phase converter 28 TRIAC Module 3 45 Principal, 29 UJT Relaxation oscillator 3 45 Principal, 2. Government of India has received a credit from the International Development Association (IDA) towards the cost of the Technical Education Quality Improvement Programme[TEQIP]-Phase II Project and intends to apply part of the proceeds of this credit to eligible payments under the contract for which this invitation for quotations is issued. 3. Quotation, 3.1 The contract shall be for the full quantity as described above. 3.2 Corrections, if any, shall be made by crossing out, initialing, dating and re writing. 3.3 All duties and other levies payable by the supplier under the contract shall be included in the unit price. 3.4 Applicable taxes shall be quoted separately for all items.
3.5 The prices quoted by the bidder shall be fixed for the duration of the contract and shall not be subject to adjustment on any account. The Prices should be quoted in Indian Rupees only. 4. Each bidder shall submit only one quotation. 5. Quotation shall remain valid for a period not less than 45 days after the last date of quotation submission. 6. Evaluation of Quotations, The Purchaser will evaluate and compare the quotations determined to be substantially responsive i.e. which 6.1 are properly signed ; and 6.2 confirm to the terms and conditions, and specifications. 7. The Quotations would be evaluated for all items together. 8. Award of contract: The Purchaser will award the contract to the bidder whose quotation has been determined to be substantially responsive and who has offered the lowest evaluated quotation price. 8.1 Notwithstanding the above, the Purchaser reserves the right to accept or reject any quotations and to cancel the bidding process and reject all quotations at any time prior to the award of contract. 8.2 The bidder whose bid is accepted will be notified of the award of contract by the Purchaser prior to expiration of the quotation validity period. The terms of the accepted offer shall be incorporated in the purchase order. 9. Payment shall be made in Indian Rupees as follows: Delivery and Installation - 0% of total cost Satisfactory Acceptance - 100% of total cost 10. All supplied items are under warranty of 36 months from the date of successful acceptance of items. 11. You are requested to provide your offer latest by 14:00 hours on 18-Dec-2013. 12. Detailed specifications of the items are at Annexure I. 13. Training Clause (if any) required
14. Testing/Installation Clause (if any) Required 15. Information brochures/ Product catalogue, if any must be accompanied with the quotation clearly indicating the model quoted for. 16. Sealed quotation to be submitted/ delivered at the address mentioned below, Principal, K.R.Circle, -560001 17. We look forward to receiving your quotation and thank you for your interest in this project. Annexure I (Authorized Signatory) Name & Designation Sr. No Item Name Specifications 1 Closed loop DC motor speed control unit DCS 2 Closed loop speed control of 3-phase induction motor ACS 3 DC Chopper Microcontoller based firing circuit 4 DC chopper power circuit Thyristor controlled rectifier for speed control of DC motor, Armature and tachofeed back, over current protection, DC shunt motor 0.5 HP/220V/1500rpm with mechanical loading arrangement and tachogenerator coupling for tachofeed back, voltmeter and ammeter to measure armature voltage and current, calibrated meter to indicate rpm directly, closed loop system works for speed range from 200-1000 rpm Scope of supply Toshiba make Vector controlled 3 phase AC drive Model VF-S9, 0.5HP / 1440 RPM/ 3 phase squirrel cage induction motor, Mechanical loading arrangement for the motor a) Microcontoller based firing circuit with LCD display to indicate the frequency and duty cycle. Accuracy +/- 1Hz/% and +/- 1% b) DC chopper DCP 220V @5A DC chopper DCP 220V @5A 5 Digital firing circuit e) Digital firing circuit generates isolated trigger pulses
for 1 phase converter, Triac and DC chopper s. The firing angle and duty cycle can be varied from 0-199 steps using a thumb wheel switch with 1 count accuracy 6 Fast Recovery diode Module 7 Parallel Bridge inverter PI/PBI 30V @ 2A 8 Power IGBT Module : 19A/600V Fast Recovery diode Module : 10A/1000V This unit should contain 2/4 SCR s, 2/4 diodes, LC commutation components and a center tapped transformer type / parallel bridge inverter. Firing circuit to vary the frequency from 25Hz to 250Hz 30V @ 2A Power IGBT Module : 19A/600V 9 Power MOSFET Module Power MOSFET Module : 15A/400V 10 Power Mosfet step up and step down chopper PMC This unit should contain MOSFET mounted on a heat sink and protected by snubber circuit and fuse. Inductor is to be provided to step up the voltage. 30V @ 2A 11 R & RC firing circuit RCF consists of R-C components, a thyristor and an AC supply of 20V along with other associated components to study SCR triggering by R and RC circuit 12 Regulated DC Power Supply(Dual) 13 Regulated DC Power Supply(Single) 0 30 V, 2 Amp with overload protection 0 30 V, 2 Amp with overload protection 14 SCR Module SCR Module : 10A/1200V 15 SCR, TRIAC, DIAC, MOSFET & IGBT Characteristics study Unit : CSU 16 Single phase converter firing unit LCD DC power supply from 2.5V to 35V @500mA using IC regulator for load current. One more variable DC power supply from 1.5V to 15V @250mA for gate current. Micro controller based firing circuit with LCD display to indicate the firing angle. Accuracy -+/- 10 17 Single Phase converter SCF Firing angle variation from 1800 00 on a graduated
firing Unit SCF 18 Single phase converter 19 Single phase Cyclo Converter firing circuit 20 Single phase cyclo converter 21 Single phase dual converter Firing Unit 22 Single phase dual converter 23 Single phase PWM inverter -24V/2A 24 Speed control of a separately excited DC motor using an IGBT or MOSFET chopper scale 2 SCR s / 4SCR s and 2 power diodes to be connected as half / fully controlled bridge. 230V/10A Microcontoller based firing circuit with display to indicate the firing angle. Accuracy +/- 10 Single phase cyclo/converter SCYP 230V / 10A Firing unit SDF works on 230V AC mains. Firing angle variation from 1800 00 with LCD display Single phase dual converter SDP 230V @10A ) Control Circuit based on 89 C 52 micro controller. 2x 16 line LCD display to indicate and monitor the parameters and type of modulation. 5 keys SET, INC, DEC, FRQ/DTY and RUN/STOP to vary and set the parameters. Optocoupler based isolation circuit to drive 4 IGBT s connected as 1-ph. Bridge inverter b) +Power Circuit consists of 4 IGBT s unit builtin diodes of rating 19A/600V. input side a switch and a fuse are provided for DC input 24V @ 2A. The frequency can be varied from 20Hz to 100Hz. The duty can be varied from 0% to 100% carrier frequency 9 pulses per each half cycle. Microcontroller based control circuit to accurately vary the duty cycle from 0% to 100% and frequency from 50Hz to 500Hz. LCD display (2 line x 16 characters) to display the duty cycle and frequency, key board consists of 4 keys to frequency / duty cycle, increment / decrement the parameter and RUN/STOP the chopper, consists of a power MOSFET and IGBT and a free wheeling diode. In built filtered DC supply 24V, 48V, 110V and 220VDC @ 2 amps using step down transformer, diode bridge rectifier and a capacitor filter. A fixed DC supply of 220V +/-10% @0.5A for field of DC shunt motor. Digital voltmeter and ammeter to measure voltage and current. Works directly on 230V AC mains. No external DC supply and meters are required. This unit can be used for R
load, R-L load, PMDC motors 24V, 48V and 110V. 25 Stepper motor controller SMC 26 Three phase converter Firing unit 27 Three phase converter This unit is microcontroller based controller circuit to accurately generates pulses to energize the stepper motor winding in the desired sequence. Power transistor based driver circuit to drive the stepper motor LCD display to set and display the parameter. From this controller we can set the speed of the stepper motor in RPM, set the number of steps the motor can move. We can set the direction of rotationforward and reverse direction. We can also set Half step and full step mode. Stepper motor of 3 kgs torque fitted to dial marked in degrees and steps TCF generates 6 nos of three phase synchronized isolated trigger pulses to fire SCR s connected in three phase half wave, half controlled bridge, fully controlled bridge and AC phase control. Works on 230V AC mains, Firing angle variation from 1800 00 on a graduated scale. Test points to study the logic circuit and to monitor RYB phase sequence. TCR : This unit consists of 3 SCR s / 6 SCR s and 3 power diodes to be connected as half / fully controlled bridge. A freewheeling diode to be provided. A circuit breaker to be provided to switch ON / OFF the three phase supply to the and for protection. Voltmeter and Ammeter are to be provided to indicate output voltage and current for R / R-L and motor load. 415V / 10A 28 TRIAC Module TRIAC Module : 10A/600V 29 UJT Relaxation oscillator URT 2N 2646 UJT based relaxation oscillator to study its characteristics in synchronized mode
FORMAT FOR QUOTATION SUBMISSION (In letterhead of the supplier with seal) Date: To: Sl. Description of Qty. Unit Quoted Unit rate in Rs. Total Price Sales tax and other No. goods (with full (Including Ex Factory price, excise duty, packing and (A) taxes payable Specifications) forwarding, transportation, insurance, other local In In figures costs incidental to delivery and warranty/ guaranty % (B) commitments) Total Cost Gross Total Cost (A+B): Rs. We agree to supply the above goods in accordance with the technical specifications for a total contract price of Rs. (Amount in figures) (Rupees amount in words) within the period specified in the Invitation for Quotations.
We confirm that the normal commercial warranty/ guarantee of months shall apply to the offered items and we also confirm to agree with terms and conditions as mentioned in the Invitation Letter. We hereby certify that we have taken steps to ensure that no person acting for us or on our behalf will engage in bribery. Signature of Supplier Name: Address: Contact No: