Tender Document for Repowering Project of Ghorasal 3rd Unit - BPDB
Tender Document for Repowering Project of Ghorasal 3rd Unit - BPDB
Tender Document for Repowering Project of Ghorasal 3rd Unit - BPDB
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- Accuracy Class -------------------------<br />
For metering service -------------------------<br />
For relaying service -------------------------<br />
- Rated Burden -------------------------<br />
For metering service, VA -------------------------.<br />
For relaying service, VA -------------------------<br />
- Rated continuous thermal current, %<br />
- Short-time current rating,(1 sec), KA -------------------------<br />
- Creepage distance <strong>of</strong> insulator, mm -------------------------<br />
- Weight <strong>of</strong> single phase unit, Kg<br />
-Out line drawing, No -------------------------<br />
-Standard specification to which the PT<br />
shall con<strong>for</strong>m -------------------------<br />
-Attached type test report, No -------------------------<br />
7.4 230 KV Lightning Arrester<br />
- Manufacturer , Country -------------------------<br />
- Type designation -------------------------<br />
- Rated voltage, KV -------------------------<br />
- Maximum design voltage, KV -------------------------<br />
- Rated frequency, Hz -------------------------<br />
- Rated discharge current, KA -------------------------<br />
- Min. power frequency spark-over<br />
voltage -------------------------<br />
- Impulse protective level<br />
-Max. spark-over voltage <strong>for</strong> a standard<br />
full wave, KV peak -------------------------<br />
-Max. front wave impulse spark-over<br />
voltage, KV peak -------------------------<br />
- Max. discharge voltage at the rated<br />
discharge current, KV peak -------------------------<br />
- Creepage distance <strong>of</strong> insulator, mm -------------------------<br />
- Weight <strong>of</strong> single phase unit, Kg -------------------------<br />
- Type <strong>of</strong> operating counter -------------------------<br />
- Out line drawing, No -------------------------<br />
- Standard specification to which the LA<br />
shall con<strong>for</strong>m -------------------------<br />
- Attached type test report, No -------------------------<br />
7.5 230 KV Isolators<br />
- Manufacturer, Country -------------------------<br />
- Type -------------------------<br />
- Rated voltage, KV -------------------------<br />
- Rated normal current, A -------------------------<br />
- Rated short time withstand<br />
duration, 1 sec., KA -------------------------<br />
3 sec., KA -------------------------<br />
Dynamic peak, KA -------------------------<br />
- Impulse withstand voltage<br />
Across the isolating distance, KV peak -------------------------<br />
To earth and between poles, KV peak -------------------------<br />
- Power Frequency withstand voltage, 1 min.<br />
Across the isolating distance, KV -------------------------<br />
Re-Powering <strong>Ghorasal</strong> 210 MW 3 rd <strong>Unit</strong> (Vol-2B <strong>of</strong> 2) 30
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