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1、中国第十一建设有限公司宁夏哈纳斯工程项目部化学工程China Eleventh Chemical Construction Company Limited NingXia Hanas Project目 录1工程概况22编制依据23主要实物量24试验项目及方法34.1110KV电力变压器试验34.2GIS试验54.3隔离开关试验74.4套管试验84.5避雷器试验94.6SF6断路器试验104.7互感器试验124.810kV变压器试验134.910kV真空断路器试验154.10综合保护回路调试方法164.11中压电机试验164.12电力电缆试验175安全措施186质量保证措施187调试人员及设备配
2、备181 工程概况 Project General宁夏哈纳斯LNG项目的变电所是两路110KV进线电源，110kV系统采用单母线分段运行，110kV配电装置采用户内型SF6组合电器，两台主变容量为63000KVA，三绕组有载调压变压器；变压器输出测电压为10kV，10KV配电系统均采用单母线分段运行方式；此变电所担负着全厂所有动力设备的供电负荷，所以对站内所有电气设备的调试质量要求高，特编此方案，以便更好的指导调试工作。NinXia Hanas LNG Project power substation is two ways 110kv coil in power supply, 110kv
3、system use singel busbar subection circule, 110kv device use indoor SF6 assembly electrical, two tables 63000KVA, three items shat transformer,transformers output measure voltage is 10Kv, Consumers 10KV power distribution system adopts single busbar subsection operation mode; The substation bearing
4、factory all the power equipment of the power supply load, so the site all electrical equipment, high quality requirements, debugging Ed this scheme, in order to better guide debugging.2 编制依据 1、Technip公司设计的电气图纸 1, Technip company design electrical drawings2、电气装置安装工程电气设备交接试验标准 GB 501502006 2, electric
5、al equipments installation project electrical equipment handover testing standards GB 50150-20063、气体绝缘金属封闭开关设备现场耐压及绝缘试验导则 DL/T555-2004 3, the gas insulated metal-enclosed switchgear site compression and insulation test of T555 DL/guide 4、气体绝缘金属封闭开关设备现场交接试验规程 DLT618-1997 4, the gas insulated metal-en
6、closed switchgear site handover testing rules DL/T618-1997 5、变压器油中溶解气体分析和判断导则 GB/T7252-2001 5, the dissolved gas analysis in transformer oil and judgments guideline GB/T7252 - of 20013 主要实物量序号名 称规 格数 量1油浸式主变压器Oil-immersed main transformer110kV/10kV63000KVA2台/sets 2干式配电变压器Dry type distribution transf
7、ormer10kV/0.4kV 1600KVA2台/sets 3干式配电变压器Dry type distribution transformer10kV/0.4kV 1250KVA6台/sets4自耦变压器 auto-transformer10000V/8000V/6000V2台/ sets 5GIS110kV7间隔 /intervals 6高压开关柜high-tension switch cabinet10kV30块/pieces7套管 drivepipe110kV4套/sets9悬式绝缘子suspension insulator双碟108片 /pieces10立柱绝缘子 Pillar in
8、sulator60kV2台/sets11避雷器 arrester78kV2台/sets12接地隔离开关Grounding isolating switch60kV 400A2台/sets 13电容式电压互感器Capacitive voltage transformer110kV2台/sets4 试验项目及方法Test project and method4.1 110KV电力变压器试验 110KV electricity transformer test4.1.1 110KV电力变压器试验项目110KV electricity transformer test project4.1.1.1 测
9、量绕组连同套管的直流电阻；Measuring the dc resistance with casing windings4.1.1.2 检查所有分接头的变压比；Check all points than the variable pressure fittings4.1.1.3 检查变压器的三相结线组别；Check the three-phase line transformers group;4.1.1.4 测量绕组连同套管的绝缘电阻、吸收比；Measuring the 4.1.1.5 测量绕组连同套管的介质损耗角正切值tg；The measuring winding along with
10、 casing dielectric loss Angle tg tangent delta4.1.1.6 测量绕组连同套管的直流泄漏电流；Measurement of the casing pipe windings along with dc leakage current测量与铁芯绝缘的各紧固件及铁芯接地线引出套管对外壳的绝缘电阻； The measurement and core insulation each fasteners and core of shell casing grounding wires lead the insulation resistance;4.1.1.
11、74.1.1.8 绝缘油试验；insulating oil trial绕组连同套管的交流耐压试验；Winding withstand test of communication with the casing4.1.1.94.1.1.10 有载调压切换装置的检查；on-load changer switching device inspectio额定电压下的冲击合闸试验；The rated voltage impact under close brake test4.1.1.114.1.1.12 相位检查；Phase check 4.1.2 110KV电力变压器试验方法Test method
12、of 110 kv power transformer4.1.2.1 测量绕组连同套管的直流电阻Measuring the dc resistance with casing windings直流电阻的测量应在各分接头的所有位置上进行测量，各相测得值的相互差值应小于平均值的2%，线间测得值的相互差值应小于平均值的1%；在测量直流电阻开始之前，首先搬动变压器的有载调压开关转动一周重复3到4次，然后按照试验接线图接线，夹线钳夹到设备线夹上，要紧固以便减小误差，接线完毕后确认无误后再开展试验，要及时记录；试验完毕后把有载调压开关放在额定档位。 Dc resistance measurements i
13、n each joint shall be measured all the position, each phase of the measured value should be less than average mutual value for the difference between the 2%, line the mutual difference measurement value should be less than 1 percent of the average value; When measuring dc resistance before we begin,
14、 move transformer on-load changer switch rotation of three to four times a week repeated, then according to test hookup wiring, thread clamp wire clip clamps to equipment, to tighten so that diminish error, wiring confirmed after the start test, after should be timely records; Test after completion on-load changer switch on the rated gear.4.1.2.2 检查所有分接头的变压比和接线组别 Check all points joints than and wiring category variable pressure 检查所有分接头的电压比，与制造厂铭牌数据相比应无明显差别，电压比允许偏差在0.5%以内，连接组别应与制造厂铭牌数据一致；检查变比和接线组别时采用变比测试仪进行，按照所用仪器
