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
The transmission voltage of high-voltage transmission lines is mostly above 10,000 volts, and the voltage of some lines is as high as 100,000 volts or 500,000 volts. If you want to insulate such lines, the thickness of the insulation layer of ordinary wires is far from enough. We Normally, the volta
Whether you are an electrical engineer or an ordinary electrician, the most commonly used electrical component in your work is definitely a circuit breaker. Basically, no electrical cabinet does not require a circuit breaker. Even in family life, every household has a circuit breaker. It can be said
1. Analysis of the causes of oil leakage from transformers1. Rubber seal failure and weld crackingThe transformer has many welding points and long welding seams, and the oil-immersed transformer is a collection of various welding and connections based on a steel plate welded shell. A 31500kVA transf
1 Basic principles and structure of on-load tap-changerAn on-load tap changer is an electrical device that can change the tap position under excitation. The basic principle of voltage regulation by on-load industrial electrical tap changers is to lead out several taps in the transformer winding and
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