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1、BALCO EXPANSION PROJECT 4300 MW THERMAL POWER PLANT Energizing Scheme of Switchyard and Station Transformer印度BALCO扩建4300 MW燃煤电站工程升压站及启备变受电调试方案 Oct. 2010 2010年10月Complied by:编写：周小兵 zhouxiaobingChecked by:初审：赵东升 zhaodongshengRevised by:审核：陈登升 chendengshengApproved by:批准：于心水 yuxinshui印度BALCO扩建4 x300 MW
2、燃煤电站工程升压站及起备变受电调试方案目 录CONTENTS1. 受电目的 Purpose2. 受电范围 Scope of energizing 3. 受电前应该具备条件 Prerequisites of energizing4. 受电步骤 Energizing procedure5. 注意事项 Notice6. 附录 ：Appendix 电气受电一次系统示意图 Sketch map of energized system1. 目的Purpose1.1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
3、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 and confirm the insulation of equipments of energized system. Check the control, protective interlock and signal devices, and confirm the action must be reliable. Discover and then eliminate the defect might exist. Ensure the system and equipments can be put into op
4、eration safely.2. 受电范围:Scope of energizing 2.1 220kV、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 bus and transformer bus and all components connected to bus-bar, including all disconnecting switches, CVT, CT and lightning arresters.2.2 母联断路器、隔离开关Bus coupler, bus disconnecting switches 2.3 #1启动/备用
5、变压器、隔离开关，#1启/备变CT和断路器。Standby transformer #1, disconnecting switches, CT of Standby transformer, circuit breakers 3.受电前应该具备的条件：Prerequisites of energizing3.1电气应具备的条件：Electrical prerequisites 3.1.1 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。The installation and individual test of all 220kV CB, disconn
6、ecting switches, lightning arresters, earthing switches must be completed.3.1.2 220 kV线路设备、220kV、母及相连的元件安装结束，母联断路器及相连元件安装结束。The installation of 220kV line equipments, 220kV main bus I, II , transfer-bus and relevant components must be completed. The installation of bus coupler and relevant component
7、s must be completed.3.1.3 升压站范围内所有CT和CVT安装和单体试验工作完成。The installation and individual test of all CT and CVT within switchyard must be completed.3.1.4 升压站蓄电池组安装和试验工作完成。The installation and test of switchyard battery unit must be completed.3.1.5 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
8、。The installation and individual test of switchyard relay protections must be completed. Value-set of relevant protections must be completed as per requisition. The testing record must be complete and accurate.3.1.6 升压站内故障录波装置安装和单体试验完毕。The installation and individual test of switchyard fault recorde
9、r must be completed.3.1.7 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。Calibration of relevant energy meters, measuring meters, transmitters must be completed and qualified for operation.3.1.8 220kV 升压站测量控制系统装置安装和单体试验完成。The installation and individual test of switchyard measure control system must be completed.3.1
10、.9 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 circuit must be completed.3.1.10 受电区域应做好安全隔离措施。 Isolation measures should be executed in energizing area.3.1.11 受电一次设备的相序、相色标识明确，命名编号齐全。受电区及受电设备应有明显的警戒标志。The phase sequence and color marks of primary equipments energized must be c
11、lear, the nameplates and serial number must be completed. There should be obvious nameplates for energizing area and equipments.3.1.12 全厂接地系统已施工完毕，接地电阻符合要求。各受电一、二次设备的绝缘电阻经测试，符合规程的要求，并做好记录备查。The construction of grounding system must be finished, and the grounding resistors should fulfill the requirem
12、ent. The insulating resistance of primary and secondary equipments energized must be tested and meet the requirement of regulation. It must be recorded for future reference.3.1.13 直流屏、UPS盘柜、升压站MCC柜等具备投运条件。DC cabinets, UPS cabinets, switchyard MCC cabinets etc. should fulfill the requirement of opera
13、tion.3.1.14 受电区域内的二次回路接线校核工作完成。Check of secondary wiring within energizing area must be completed.3.1.15 受电范围内电气二次回路的调试工作应完成，测量控制系统、继电保护系统以及报警信号等经传动试验均正确可靠。The inspection and confirmation of electric secondary circuit within energizing area must be completed. The measure, relay protections and alarm
14、 signals should be correct and reliable after transmission test.3.1.16 测量系统调试工作结束。The inspection and confirmation of measuring system must be completed.3.1.17 升压站各隔离开关和接地刀闸的五防闭锁回路调试工作完成。The anti-misoperation circuit test of disconnecting switches and earthing switches within switchyard must be compl
15、eted.3.1.18 启/备变安装和单体试验工作结束，瓦斯继电器已经过校验。The installation and individual test of Standby transformer must be completed. The gas relay should be calibrated.3.1.19 启/备变风冷系统正常，有关调压装置经过调试，具备投运条件。The cooling system of Standby transformer should be completed. Related voltage-regulating devices should fulfill the requirement of operation after test.3.1.20 启/备变保护装置、测量屏、变送器屏等安装结束，二次电缆敷设完成并按照设计图纸接线完毕。The installation of Standby transformer protections, measuring panels, transmitter panels etc. should be completed. Secondary cable laying mus
