PD300. Transformer, generator and motor protection Data sheet

Transcription

1 PD300 Transformer, generator and motor protection Data sheet

2 DSE_PD300_eng_AO No part of this publication may be reproduced by whatever means without the prior written permission of Ingeteam T&D. One of the main aims of Ingeteam T&D lies in the continuous improvement of the company s equipment and, therefore, the information contained in this catalogue may be modified without prior notification. For further information, consult the corresponding manual or contact us directly.

3 INDEX MODEL CODE SELECTION... 4 FUNCTIONS TABLE... 5 FUNCTIONAL DESCRIPTION AND CONFIGURATION... 6 General settings... 6 Protection settings... 6 AUTOMATISM FUNCTIONS DATA ACQUISITION MEASUREMENTS COMMUNICATION PROTOCOLS KEYPAD/LOCAL DISPLAY TESTS TECHNICAL SPECIFICATIONS ENVIRONMENTAL CONDITIONS CONSTRUCTION FEATURES CONNECTION DIAGRAMS DSE_PD300_eng III

4 MODEL CODE SELECTION DSE_PD300_eng 4

5 FUNCTIONS TABLE PD300-2 PD300-3 PD300-G Protection functions Overexcitation (24) 5th harmonic or V/Hz 2 units. 5th harmonic 5th harmonic Undervoltage (27) X X Current unbalance (46) X X X Thermal image (49) X X X Instantaneous phase overcurrent (50) 2 units in each winding 2 units in each winding 2 units in each winding Time phase overcurrent (51) 1 unit in each winding 1 unit in each winding 1 unit in each winding Residual instantaneous overcurrent (50R) 2 units in each winding 2 units in each winding 2 units in each winding Residual time overcurrent (51R) 1 unit in each winding 1 unit in each winding 1 unit in each winding Instantaneous ground overcurrent (50G) 2 units in each winding 2 units in each winding Time ground overcurrent (51G) 1 unit in each winding 1 unit in each winding Breaker failure (50BF) X X X Overvoltage (59) X Xº Overfrequency (81M) 5 steps 5 steps Underfrequency (81m) 5 steps 5 steps Differential (87) In percentage and In percentage and In percentage and instantaneous instantaneous instantaneous Restricted earth (87G) X X Breaker monitoring X X X Trip and closure circuit surveillance (74TC/CC) X X X Power supply monitoring O O O External power supply monitoring O O O Temperature monitoring X X X Automatisms and commands Breaker and closure commands X X X Programmable logic X X X Breaker closure lock (86) X X X Note: X: Available function O: Optional function DSE_PD300_eng 5

6 FUNCTIONAL DESCRIPTION AND CONFIGURATION GENERAL SETTINGS Setting Minimum Maximum Step Remarks Relay in operation Breaker number 5 alphanum. characters PROTECTION SETTINGS Differential protection (87) Three-phase differential unit. Numeric ratio and connection group correction. Zero sequence component filter: Enables the elimination of the phase currents zero sequence component. Adjustable differential current instantaneous trip. 2nd, 2nd + 4th and 5th harmonic restraint, adjustable (Not available for PD300-G). Cross blocking (except in PD300-G). General settings Minimum Maximum Step Remarks Rated voltage winding 1(kV) ,1 Rated voltage winding 2(kV) ,1 Rated voltage winding 3(kV) ,1 C.T. ratio winding ,1 C.T. ratio winding ,1 C.T. ratio winding ,1 Connection type winding 1/2/3 Y/D/Z Phase shift Phase shift Function 86 enabled Grounding 1 C.T. ratio ,1 Grounding 2 C.T. ratio ,1 VT ratio ,1 Maximum power capacity (MVA) 0, ,1 Tap winding 1 0, ,01 In = 5A 0,1 20 0,01 In = 1A and PD300-G Tap winding 2 0, ,01 In = 5A 0,1 20 0,01 In = 1A and PD300-G Tap winding 3 0, ,01 In = 5A 0,1 20 0,01 In = 1A Differential 2/3 windings 2wind. /3wind. Percentage charact. setting Minimum Maximum Step Remarks Sensitivity (xtap) 0,15 2 0,01 Restraint current 1 (xtap) 0 2 0,01 Restraint current 2 (xtap) ,01 α1 (%) α2 (%) Additional delay (s) ,01 DSE_PD300_eng 6

7 Instantaneous differential setting Minimum Maximum Step Remarks Trip (xtap) for PD300-2 and PD ,0 20 0,01 Trip (xtap) for PD300-G 0,60 4,00 0,01 Additional delay (s) ,01 Harmonic restraint setting (disabled for PD300-G) Minimum Maximum Step Remarks 2nd harmonic restraint enabled NO / 2nd PHASE / 2nd GLOBAL/ 2nd+4th PHASE / 2nd+4th GLOBAL 2nd harmonic restraint threshold (%) Differential threshold (xtap) 0,15 1 0,01 5th harmonic restraint enabled NO / PHASE / GLOBAL 5th harmonic restraint threshold (%) Differential threshold (xtap) 0,15 1 0,01 Restricted earth (87G) - Models PD300-2 and PD300-G This function is applicable when one of the transformer s windings is grounded. The function compares the residual current with the current flowing through the grounded transformer. Should the difference between both currents, following the application of the corresponding transformation ratios, exceed the set threshold, a trip signal is issued. The direction is taken into account when allowing the trip. Setting Minimum Maximum Step Remarks Pick up (A) 0,25 0, ,01 0,01 In = 5 A In = 1 A and Generator and motor Additional time (s) ,01 Winding comparison Wind. 1, Wind. 2 or Autotransformer Phase overcurrent protection (50/51) - All models A back-up protection for external or internal transformer faults. In the event of such faults not being cleared by the primary protections, the overcurrent protection acts. Serious damage to the transformer would be produced in the absence of such protection. Each winding is equipped with two instantaneous levels and one timed level. Time charactistic setting (6 groups) Minimum Maximum Step Remarks Pick up (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Definite time (TF) Curve type Inverse curve, very inverse, extremely inverse User curves Dial 0,05 1,09 0,01 For IEC curves 0,5 30,0 0,1 For ANSI curves Definite delay (s) 0,0 600,0 0,01 Instantaneous charactistic setting (low-level - 6 groups) Minimum Maximum Step Remarks Pick up (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Additional delay (s) 0,00 60,00 0,01 DSE_PD300_eng 7

8 Instantaneous characteristic setting (high-level - -6 groups) Minimum Maximum Step Remarks Pick up (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Additional delay (s) 0,00 60,00 0,01 Residual overcurrent protection (50/51R) - All models An overcurrent function that is applied to the directional sum of the three phases in order to detect earth faults. It is equipped with independent units for each of the windings. Time characteristic settings (6 groups) Minimum Maximum Step Remarks Pick up (A) 0,2 160,0 0,01 In = 5 A 0,05 32,0 0,01 In = 1A and PD300-G Definite time (TF) Curve type Inverse curve, very inverse, extremely inverse User curves Dial 0,05 1,09 0,01 For IEC curves 0,5 30,0 0,1 For ANSI curves Definite delay (s) 0,0 600,0 0,01 Instantaneous characteristic settings (low-level -6 groups) Minimum Maximum Step Remarks Pick up (A) 0,2 160,0 0,01 In = 5 A 0,05 32,0 0,01 In = 1A and PD300-G Additional delay (s) 0,0 60,00 0,01 Instantaneous characteristic settings (high-level -6 groups) Minimum Maximum Step Remarks Pick up (A) 0,2 160,0 0,01 In = 5 A 0,05 32,0 0,01 In = 1A and PD300-G Additional delay (s) 0,0 60,00 0,01 Current unbalance protection (46) - All models Protects the installation against current unbalances that occur as a consequence of anomalies in the power system, or against unbalanced loads. It is equipped with independent units for each of the windings. Time charactieristic setting (6 groups) Minimum Maximum Step Remarks Pick up (A) 0,2 160,0 0,01 In = 5 A 0,05 32,0 0,01 In = 1A and PD300-G Definite time (TF) Curve type Inverse curve, very inverse, extremely inverse User curves Dial 0,05 1,09 0,01 For IEC curves 0,5 30,0 0,1 For ANSI curves Definite time (s) 0,0 600,0 0,01 Instantaneous charactistic setting (6 groups) Minimum Maximum Step Remarks Pick up (A) 0,2 160,0 0,01 In = 5 A 0,05 32,0 0,01 In = 1A and PD300-G Additional delay (s) 0,0 60,00 0,01 DSE_PD300_eng 8

9 Earth overcurrent protection (50/51G) - Models PD300-2 and PD300-G Is applied to the power transformer s grounding in order to detect earth faults. It may also be applied as a tank protection. Timed charactistic settings (6 groups) Minimum Maximum Step Remarks /Pickup/YES+Drop-out Pick up (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Definite time (TF) Curve type Inverse curve, very inverse, extremely inverse User curves Dial 0,05 1,09 0,01 For IEC curves 0,5 30,0 0,1 For ANSI curves Definite time (s) 0,0 600,0 0,01 Delay if TF type Instantaneous charactistic setting Low-level (6 groups) Minimum Maximum Step Remarks / Pickup Pick up (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Additional delay (s) 0,00 60,00 0,01 High level instantaneous characteristic settings (6 groups) Minimum Maximum Step Remarks / Pickup Pick up (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Additional delay (s) 0,00 60,00 0,01 Overvoltage protection (59) - Models PD300-2 and PD300-G This function protects the transformer against overvoltages, issuing a trip command when the voltage exceeds the set value during a set period. Time charactistic setting (6 groups) Minimum Maximum Step Remarks Pick up (V) ,1 Curve type Definite time (TF) Inverse curve, very inverse, extremely inverse User curves Dial 0,05 1,09 0,01 For IEC curves 0,5 30,0 0,1 For ANSI curves Definite time (s) 0,0 600,0 0,01 Instantaneous charactic setting (6 groups) Minimum Minimum Step Remarks Pick up (V) ,1 Additional delay (s) 0,00 60,00 0,01 DSE_PD300_eng 9

10 Undervoltage protection (27) - Models PD300-2 and PD300-G Undervoltage may occur in the system during faults or similar situations. Time charactistic settings (6 groups) Minimum Maximum Step Remarks Pick up (A) ,1 Curve type Dial 0,05 0,5 1,09 30,0 0,01 Definite time (s) 0,0 600,0 0,01 0,1 Definite time (TF) Inverse curve, very inverse, extremely inverse User curves For IEC curves For ANSI curves Instantaneous charactistic setting (6 groups) Minimum Maximum Step Remarks Pick up (V) ,1 Additional delay (s) 0,00 60,00 0,01 Overexcitation protection (24) - All models This function prevents the transformers from working at a flux density higher to that for which they have been designed, thus avoiding overheating and the subsequent damage to the transformer resulting from overexcitation. It can be detected through 5 th harmonic current level or through the V/f ratio. 5 th harmonic setting Minimum Maximum Step Remarks Minimum operating current 0, ,01 In = 5 A 0,1 2 0,01 In = 1A and PD300-G Pick-up (%) Additional delay (sec) ,01 Setting for V/f (not available for PD300-3) Minimum Maximum Step Remarks Minimum monitoring voltage (V) Pick up (V/Hz) 1,00 4,00 0,01 Definite time (TF) Curve type Inverse curve, very inverse, extremely inverse User curves Dial 0,05 1,09 0,01 For IEC curves 0,5 30,0 0,1 For ANSI curves Definite time (s) ,01 Frequency protection (81M/m) - Models PD300-2 and PD300-G The frequency unit provides protection against overexcitation. It may also be employed in subfrequency load-shedding schemes, assisting operation in the event of network instability, for which there are 5 steps. The settings, which are independent for each step, are individualized for each step (6 groups): Minimum Maximum Step Remarks Pick up (Hz) ,01 Additional delay (s) 0 600,00 0,01 Type Maximum/Minimum DSE_PD300_eng 10

11 The common settings for all steps are as follows: Setting Minimum Maximum Step Remarks Minimum monitoring voltage (V) Nº of frequency pick-up cycles Thermal image (49) All models Protects the unit against thermal overloads by calculating the temperature in accordance with the protected unit s current and recent load conditions. Setting Minimum Maximum Step Remarks Heating time constant (min) Cooling time constant (min) Alarm threshold (%) Rated current (A) 0,2 0,04 0,04 10,0 2 10,0 0,01 0,01 0,01 In = 5A In = 1A PD300-G Breaker failure protection (50BFI) - All models Verifies the correct operation of a breaker when clearing a fault. In case of an operation failure, the protection trips the adjacent breakers involved in the isolation of the area in fault. Setting Minimum Maximum Step Remarks Phase restoration (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Neutral restoration (A) 0,1 160,0 0,01 In = 5 A 0,02 32,0 0,01 In = 1A and PD300-G Definite retrip time (sec) 0,05 60,00 0,01 Definite trip time BF (sec) 0,05 60,00 0,01 Breaker monitoring - All models A signal is generated when, following a trip, the ki2 counter exceeds the programmed threshold. The counter may be reset to the initial value by means of a command. Operating logic - All models Verifies the correct operation of the breaker. Setting Minimum Maximum Step Remarks ΣkI2 alarm threshold Initial ΣkI2 value Setting Minimum Maximum Step Remarks Trip contact sealing Closure sealing Breaker opening failure timing (s) 0,02 5,0 0,01 Breaker closure failure timing (s) 0,02 5,0 0,01 Coil monitoring - All models The monitoring of the trip and closure circuits allows to check the continuity of the trip and closure coil circuits to be monitored, both when the breaker is closed and when it is open. Setting Minimum Maximum Step Remarks Trip circuit monitoring enabled Closure circuit monitoring enabled DSE_PD300_eng 11

12 AUTOMATISM FUNCTIONS External power supply monitoring Only available in models equipped with the Battery voltage measurement option. Setting Minimum Maximum Step Remarks Minimum threshold (V) Maximum threshold (V) Temperature monitoring Monitors the unit s temperature and generates an alarm when the temperature exceeds the set range. Setting Minimum Maximum Step Remarks Minimum threshold (º) Maximum threshold (º) DSE_PD300_eng 12

13 DATA ACQUISITION Type Description Non-volatile memory capacity Events Date and time: Day/month/year hour/min/sec. m.sec. Description of the event Currents of each winding per phase, differential currents per phase, earth currents (PD300-2 and PD300-G) and voltage (PD300-2 and PD300-G) 400 events Date and time: day/month/year hour/min/sec. m.sec Description of the fault Detail: Available units Units tripped during the fault Units picked-up during the fault Fault start date and -time Trip date and time Fault end date and time Current opened by breaker Faults Setting group active during the fault Fault and trip type 20 faults Differential current Restraint current Fault and pre-fault phase current Neutral current Fault and pre-fault voltage (PD300-2 and PD300-G) Tripped phases Differential and restraint currents of each phase at the time of the trip Phase and neutral currents at the time of the trip Fault start and finish date and time Date and time recording Measurement historical Each recording contains the maximum and minimum average currents of each reports winding 4000 recordings kl2 sum (ka opened per breaker, squared) Statistical data Opening counters for each breaker Trip counters for each breaker Oscillograph data recorder Up to 9 analog channels, the number of samples per analogical channel cycle is 32 Up to 32 digital channels 1200 cycles. The number of cycles per disturbance can be programmed MEASUREMENTS Phase current for each winding (A) Average current per winding (A) Differential current (A) (1st, 2nd and 5th harmonic) Current maximeter (A) Ground current (A) (PD300-2 and PD300-G) Voltage (kv) (PD300-2 and PD300-G) Frequency (Hz) (PD300-2 and PD300-G) Device temperature measurement (optional) DC power supply voltage measurement (optional) DSE_PD300_eng 13

14 COMMUNICATION PROTOCOLS Front serial port RS232 PROCOME Equipped with one or two serial outputs, or one serial output and one Ethernet output. COM-1 rear serial port (RS232, RS485, G.F.O., P.F.O.) PROCOME COM-2 rear serial port (RS232, RS485, G.F.O., P.F.O) PROCOME DNP3.0 MODBUS IEC (except with RS485) IEC Ethernet communication (only for models with Ethernet port) PROCOME encapsulated Peer to peer communications IEC IEC communication options Single RJ45 Ethernet Single FOC Ethernet Double GFO or RJ45 Ethernet redundancy These IEC models (R-type box) for serial communication include: 1 RS232 port Procome protocol 1 GFO (unique option in case of double GFO or RJ45 Ethernet) or RS485 protocol DNP3.0. For more information of redundancy see DSS_IEC61850 document. DSE_PD300_eng 14

15 KEYPAD/LOCAL DISPLAY 7 RED LEDS AND 1 GREEN/RED LCD 2 LINES WITH 16 CHARACTERS 16-KEY KEYBOARD RS232C connector TESTS DSE_PD300_eng 15

16 TECHNICAL SPECIFICATIONS Auxiliary power supply Vdc Range Vdc Ripple 20 % over the rated value Burden 8W min/ 18W max Vdc Range Vdc Ripple 20% over the rated value Burden 8W min/ 18W max Current circuits Thermal capacity for phase/neutral I Continuous 20 A Short term (1 s.) 500 A Very short term (½ cycles) 1250 A Burden at I = 5 A <0.2 VA Burden at In= 1A <0.02 VA Voltage circuits (PD300-2) Thermal capacity Permanent 260 V Burden at 63.5 V VA Burden at 100 V 0.03 VA Closed terminals for voltage and current inputs (optional) Terminal pitch 9.5 mm Digital inputs and outputs without extension board Number of inputs 8 Number of outputs 7 Digital inputs and outputs with extension board 1 Number of digital inputs 17 Number of digital outputs 14 Optoisolated digital inputs Range Vdc Inactive below 13 Vdc Range Vdc Inactive below 60 Vdc Burden < 3mA Output contacts Trip relays 1 to 6 (and 8 to 13) Carry (permanent) 5 A at 25 ºC Make and carry for 0.5 s 30 A Breaking capacity (L/R=40 ms) Vdc 0.2 A Vdc 0.5 A - 48 Vdc 0.5 A Breaking capacity (resistive) Vdc 0.4 A Vdc 1 A - 48 Vdc 3 A Performance time 8 ms. DSE_PD300_eng 16

17 Auxiliary relay 7 (and 14) Carry (permanent) 5 A at 25 ºC Make and carry for 0.5 s 30 A Breaking capacity (L/R=40 ms) Vdc 0.15 A Vdc 0.3 A - 48 Vdc 0.5 A Breaking capacity (resistive) Vdc 0.2 A Vdc 0.4 A - 48 Vdc 0.2 A Performance time 8 ms. Frequency Programmable system frequency 50 or 60 Hz Operational range Fn ± 5 Hz Communications ports Front communication port RS232C connector DTE 9 pin D type female Cable length 3 m maximum Baud rate bps Insulation No Types of rear communication ports (COM-1 and COM-2) RS232 - RS232C connector DTE 9 pin D type female - Cable type Shielded - Cable length 15 m max. - Insulation 500V RS485 - RS485 connector DTE 9 pin D type female - Cable type Shielded twisted pair - Cable length 1,000 m max. - Insulation 500V G.F.O. - Connector ST - Wavelength 820nm - Attenuation 8 db with 62.5 /125 µm glass fibre - Glass fibre optic Multimode 62.5 /125 µm - Maximum distance 1.5 Km P.F.O. - Connector HP standard - Wavelength 660 nm - Attenuation 24.7 db with 1mm plastic cable 22 db with 200 µm silica cable - Maximum distance 115 m with 1mm plastic cable 1.9 Km with 200 µm silica cable Ethernet RJ45 Connector RJ45 Female Cable type Shielded Cable length 100 m max. Insulation 500V Baud rate 10/100 Mbps G.F.O. Ethernet Connector ST Wavelength 1300nm Permitted attenuation 8 db with 62.5 /125 µm glass fibre Multimode glass optical fibre 62.5 /125 µm Maximum distance 1.5 Km DSE_PD300_eng 17

18 IRIG-B port Input Demodulated Input level TTL Cable type 2-wire, shielded Insulation 500 V Maximum distance 1.5 Km Accuracy Accuracy Class 0.5 for V, I and P (up to 120% nominal) Accuracy in the protected range 3% Curve operation accuracy ±5% or 30ms (the highest of the two values) Battery voltage monitoring (optional) Vdc Range 18 to 60 Vdc Vdc Range 86 to 280 Vdc Mechanical characteristics Weight 2.8 Kg Approx. weight with packaging and documentation 3.8 Kg Front IP IP40 Optional front IP IP54 ENVIRONMENTAL CONDITIONS Operating temperature -20ºC to 75ºC Storage temperature -40ºC to 85ºC Relative humidity Up to 95% without condensation CONSTRUCTION FEATURES PD300-H model dimensions DSE_PD300_eng 18

19 PD300-V model dimensions IEC61850 and TCP model dimensions DSE_PD300_eng 19

20 CONNECTION DIAGRAMS 2 winding, pin terminal models DSE_PD300_eng 20

21 2 windings, closed-terminal models DSE_PD300_eng 21

22 3 windings, pin-terminal models DSE_PD300_eng 22

23 3 windings, closed-terminal models DSE_PD300_eng 23

24 Generator, pin-terminal models DSE_PD300_eng 24

25 Generator, closed-terminal models DSE_PD300_eng 25

26 TRANSFORMER, Parque GENERATOR Tecnológico AND de MOTOR Bizkaia PROTECTION Edificio Zamudio, Bizkaia, Spain Tel Fax Ingeteam Transmission & Distribution, S.A. DSE_PD300_eng 26