DURGAPUR PROJECT LIMITED DURGAPUR 热力发电厂项目
1 × 300 MW Commissioning Procedure
调试方案
NO. DG-COMM-EF002
Procedure of 220kV Switchyard and Station
Transformer Energizing 220kV升压站和起备变带电试验方案
DONGFANG ELECTRIC CORPORATION
May. 2007
Compiled by:
编写：
Checked by:
初审:
Revised by:
审核：
Approved by:
批准：
目 录 CONTENTS
1.00 受电目的 Purpose
2.00 受电范围 Scope of energizing
3.00 受电前应该具备条件Prerequisites of energizing 4.00 受电步骤 Procedure of energizing 5.00 注意事项 Points for Attention 6.00 附录 Appendix
附录 厂用电源一次系统示意图
Appendix: Schematic diagram of Station Power System
EXECUTE:DEC OWNER: DPL SLNO 1.00 2.00 2.01 2.01.1 2.01.2 2.02 2.03 PROJECT: DURGAPUR POWER PLANT UNIT 7 (1×300MW) Sheet 1 of 9 CODE:DG-COMM-EF002: Procedure of 220kV switchyard and station transformer energizing 目的： Purpose 检查受电系统的一、二次电气设备绝缘，并确认其合格。检查其系统的控制、保护联锁和信号装置，确认其动作可靠。检查设备的运行情况和系统的性能，发现并消除可能存在的缺陷。保证系统和设备能够安全正常地投入运行。 Check that insulation of primary and secondary electric equipment is up to standard. Check that control, protection interlock and signal systems operate correctly and reliably. Inspect equipment operation and evaluate performance of system. Discover and rectify the defects. Ensure that the system and instruments can be put into operation safely and normally. 受电范围: Scope of energizing 220kV系统受电。 Energizing of 220kV system 220kVⅠ、Ⅱ母线和旁路母线以及与母线相连的所有元件，包括所有隔离开关、CVT、CT、避雷器。 220kV main buses I, II, transfer bus, and all components connected to bus-bar, including all disconnecting switches, CVTs, CTs, and lightning arresters. 母联断路器2206、隔离开关22061、22062 Bus coupler 2206, disconnecting switches 22061 and 22062 #7启动/备用变压器、隔离开关D2031、D2036，#7启/备变CT和D203断路器。 Station transformer #7, disconnecting switches D2031 and D2036, CT of station transformer #7, circuit breaker (CB) D203 厂用电源系统受电范围详见厂用电源受电方案。 For energizing scope of auxiliary power system, refer to “Procedure of Auxiliary Power System Energizing”. REMARKS: EXECUTE:DEC OWNER: DPL SLNO 3.00 3.01 3.01.1 3.01.2 3.01.3 3.01.4 3.01.5 3.01.6 3.01.7 3.01.8 3.01.9 3.01.10 PROJECT:DURGAPUR POWER PLANT UNIT 7 (1×300MW) Sheet 2 of 9 CODE:DG-COMM-EF002: Procedure of 220kV switchyard and station transformer energizing 受电前应该具备的条件： Prerequisites of energizing 电气应具备的条件： Electrical prerequisites: 升压站范围内所有220KV断路器、隔离开关、避雷器、接地刀闸安装和单体试验工作完成。 Installation and individual tests of all 220kV CBs, disconnecting switches, lightning arresters, and grounding switches should be completed. 220kV线路设备、220kVⅠ、Ⅱ母、旁母母线及相连的元件安装结束，母联断路器及相连元件安装结束。 Installation of 220kV line equipment, 220kV main buses I, II, transfer-bus and connected components should be completed. Installation of bus coupler and relevant components should be completed. 升压站范围内所有CT和CVT安装和单体试验工作完成。 Installation and individual tests of all CTs and CVTs within switchyard should be completed. 升压站蓄电池组安装和试验工作完成。 Installation and test of switchyard battery system should be completed. 升压站继电器保护装置的安装和单体静态校验工作完成，相关继电保护的整定已按有关通知单整定完毕，试验记录完整，数据准确。 All protective relays of switchyard should be installed, tested individually, and set as per set-value requisition, with complete and accurate testing records. 升压站内故障录波装置安装和单体试验完毕。 Installation and test of switchyard fault recorders should be completed. 升压站内相关电度表、测量仪表、变送器校验合格，具备投运条件。 Energy meters, measuring meters, and transducers should be calibrated and ready for use. 220KV 升压站SCADA控制系统装置安装和单体试验完成。 Installation and individual test of switchyard SCADA system should be completed. 升压站二次回路电缆敷设和接线工作结束。 Cable laying and wiring of switchyard secondary circuits should be completed. 受电区域应做好安全隔离措施。 Measures should be taken for isolation within energizing area. SIGNATURES DATE INSPECTOR: CONTRACTOR: CLIENT: