Compared with ultra-high voltage DC at the ±600 kV level and below, the main technical and economic advantages of UHV DC transmission can be summarized in the following six aspects:1. Large conveying capacity. Using 4000 ampere thyristor valves, the ±800 kV DC UHV transmission capacity can reach 6
1. Winding grounding Refers to the grounding caused by damage to the insulation between the winding and the chassis. 1. Fault phenomenon The casing is electrified, the control circuit is out of control, and the winding
1. Plate vulcanization A layer of poorly conductive, white, coarse-grained lead sulfate is produced on the battery plate. During normal charging, it cannot be completely converted into lead and lead dioxide. This phenomenon is called "lead sulfate hardening" or "sulfide" fo
1. Can the terminal voltage of the battery be used to judge the quality of the battery?Answer: No. Low terminal voltage is caused by battery short circuit, open circuit and lack of power.2. Does the repair process require opening the battery?Answer: No need.3. Under what circumstances will vulcaniza
10KV high-voltage lines are widely distributed, have long overhead lines, and operate in the open air. They are often affected by the surrounding environment and natural changes. Failures often occur during operation, affecting normal power supply and bringing certain harm to people's production
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