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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- Auxiliary relays -------------------------<br />
-Lockout relays -------------------------<br />
2.5 Generator Switchgear<br />
-Manufacturer, Country -------------------------<br />
-Circuit breaker<br />
Catalogue No. -------------------------<br />
Type -------------------------<br />
Interrupting Media SF 6<br />
Closing current at 125 volts DC, A -------------------------<br />
Time to close, m sec -------------------------<br />
Tripping current at 125 volts DC, A -------------------------<br />
Time to trip, m sec -------------------------<br />
- Rating and capabilities<br />
Current rating, A -------------------------<br />
Voltage rating, V -------------------------<br />
Nominal 3 phase interrupting capacity, MVA -------------------------<br />
Maximum symmetrical interrupting capacity, kA -------------------------<br />
3 second short time rating, kA -------------------------<br />
Closing and latching capability, kA -------------------------<br />
- Operating Mechanism -------------------------<br />
-Instruments and devices Manufacturer Type<br />
Current trans<strong>for</strong>mers<br />
Single ratio -------------------------<br />
Multi ratio -------------------------<br />
Potential trans<strong>for</strong>mers -------------------------<br />
Control and instrument switches -------------------------<br />
Indicating lights -------------------------<br />
-Lightning arresters -------------------------<br />
-Surge protection devices -------------------------<br />
-Type <strong>of</strong> bus insulation -------------------------<br />
-Type <strong>of</strong> bus supports -------------------------<br />
-Type <strong>of</strong> insulation on connections -------------------------<br />
-Size <strong>of</strong> completely assembled switchgear<br />
Length, mm -------------------------<br />
Width, mm -------------------------<br />
Height, mm -------------------------<br />
- Total weight <strong>of</strong> switchgear, kg -------------------------<br />
B-3 Heat Recovery Steam Generator and Ancillary Equipment<br />
3.1 General<br />
-Type <strong>of</strong> HRSG [Vertical]/ [Horizontal] -------------------------------<br />
-Model Number -------------------------------<br />
-Manufacturer <strong>of</strong> HRSG, Country -------------------------------<br />
3.2 Per<strong>for</strong>mance<br />
Re-Powering <strong>Ghorasal</strong> 210 MW 3 rd <strong>Unit</strong> (Vol-2B <strong>of</strong> 2) 14
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