technical specs plcc
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Technica l Speci f icat ion for 110kV/33kV Switchyard Kalgurk i (50 MW) Wind Power pro ject
DOC. NO.:‐‐ WRELW0‐WEL‐357‐TSP‐0001‐R0 Page 55 of 77
05.15.00 ILLUMINATION
Sl No Description of parameter
The type of fixtures along with the average lux level shall be as follows:
1. Area Average Illumination Level(LUX)
Lighting fixtures for A C Type of Lighting
2 Control Room 300 Decorative, recess mounting fluorescent fixture. (Energy efficient BEE 3 star label CFL)
4 Switchgear‐MCC Room 100 Industrial trough type fluorescent fixture. (Energy efficient BEE 3 star label CFL)
5 Battery Room and Battery Charger Room 50
Corrosion proof, fluorescent fixtures. (Energy efficient BEE 3 star label CFL)
6 Corridor, Passages, Staircases & Toilet 20‐30 (Energy efficient BEE 3 star
label CFL)
7 Switchyard and all outdoor area 20 (general) Metal halide fixture
Approved make Bajaj/Havells/Phillips/CGL
05.16.00 PLCC
SNo Description Particulars 1. PLCC type ABB ETL41 2. Freq Range 24 to 500kHz for nominal output power = 40 W 3. Coupling Phase to Phase 4. Channels 1 1 channel for protection & Speech. 5. Channel aux supply Each channel shall have its own power supply
unit (PSU). 6. Standards IEC 60495, IEC 60834‐1, IEC 61000‐6‐2,
IEC 61000‐6‐4 ( CISPR22, Class A); 7. Panel Only front opening 8. Guaranteed performance
Temperature range From 0 deg C to 50DegC Ambient temperature
9. Bandwidth configuration in Speech+Data PLCC
Speech + 300 to 1200 baud rate in 4kHz bandwidth
10. Amplifier Power output 40W 11. Return Loss More than 12dB 12. Composite Loss 2dB 13. Tapping Loss Less than 2dB as per IEC60495
Technica l Speci f icat ion for 110kV/33kV Switchyard Kalgurk i (50 MW) Wind Power pro ject
DOC. NO.:‐‐ WRELW0‐WEL‐357‐TSP‐0001‐R0 Page 56 of 77
14. AGC range of reciever 40dB minimum 15. Carrier freq stability +/‐1ppm 16. Nominal output impedance 75 Ohm unbalanced 17. Co‐axial cable 75Ohm unbalanced 18. Line matching unit MCD 80 (AB9S + AB9T) 19. Modems NSK5 Shall be supplied with PLCC. It may be
integral part of PLCC. Shall be suitable for interfacing with Gateway having communication protocol of IEC60870‐5‐101/104, If applicable.
20. Plug‐in (4W) phone sets One per channel 21. Aux Supply ‐48 VDC +20/‐15 % 22. Protection Coupler NSD50 (min 3 codes per channel.) 23. Frequency allocation M/s ABB shall provide assistance in indicating the
available frequency range/values for the specified location of the plant. However, final frequency allocation shall be provided by Welspun.
24. Telephone set 4 wire express phone 25. Approved make ABB
05.17.00 BUS POST INSULATOR
S. No Description Particulars 1. Codes and standards IS: 2544, IEC 168, IEC 273 & IEC 815. Its Glaze
colour must be Brown. 2. Operational Requirements There shall be no electric discharge between the
conductor and insulators, when operating at normal voltage, which would cause corrosion or injury to any of the material.
3. Nominal system Voltage 110kV 4. Highest system Voltage 145kV 5. Rated one minute power
frequency withstands voltage. 275 kV rms
6. Dry one minute power frequency withstand voltage.
275 kV rms
7. Lighting Impulse withstand voltage peak
550kV
8. Minimum nominal creepage distance
3625mm
9. Minimum corona extension voltage
105kV (rms)
10. Radio Interference voltage( Micro volt at 1MHz) at a system voltage of 92kVrms
<200μV
11. Cantilever strength( Upright) 400kg 12. Torsional strength 460kgm
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