4 保证安全的技术措施（4 technical measures to ensure safety）.docVIP

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4 保证安全的技术措施（4 technical measures to ensure safety）.doc

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4 保证安全的技术措施（4 technical measures to ensure safety） 2 insulated gloves should be worn on high voltage test. Insulated telescopic electroscope rod length should be pulled, electricity grip shall not exceed the retaining ring on the handle should be hand and human should be electricity equipment to maintain the distance specified in table 2-1. No outdoor direct inspection is allowed during rain or snow weather. 4.3.3 for direct electrical inspection equipment, lack of HVDC equipment and sleet weather outdoor equipment, can be carried out by indirect electricity testing, mechanical equipment, electrical position indication, charged display device, instrument and various changes of telemetry information signal to judge. Judge, should have two or more instructions, and all instructions have also occurred in the corresponding change, to confirm that the device has no power; if the remote operation, should also check the isolating switch (switch) status indication, telemetry, remote signals and charged display device instructions for indirect electricity testing. Electrical equipment 330kV and above can be checked by indirect inspection method. The 4.3.4 indicates that the device is disconnected and allows access to the interval signal, often accessed voltmeter, etc. if electrical power is indicated, the device is not allowed to work. ********4.4 grounding. 4.4.l the grounding wire shall be installed by two persons (except for the items approved by the approval of a single grounding line and the operator). 4.4.2 equipment have no voltage when verifying, should immediately repair the equipment grounding and three-phase short circuit. Cable and ground capacitor should be fully discharge by phase, neutral point should be grounded, star connection capacitor series capacitor and capacitor discharge times and one by one the whole group of capacitors should be installed in the insulation detachment, capacitor shell bracket should also discharge. 4.4.3 the grounding wire or earthin