Nr Electric Co., Ltd

Nr Engineering Co., Ltd

Nr Electric Power Electronics Co., Ltd.

Guangtai Zhang

Taixun Fang

Xiang Zhang

Lei Liu

Dongming Cao

Haibin Liu

Zhao Li

Chihan Chen

Fengfeng Ding

Huiliang Zhang

Disclosed are a resistor, a heat dissipater and a combinatory device of the resistor and the heat dissipater, and relates to the field of power electronics. The resistor is cylindrical, and comprises a metal end, an insulating part, a casing, metal bars, a resistor wire, thermally conductive insulating fillers and a metal connection mechanism. The metal connection mechanism of the resistor and the heat dissipater are connected by means of direct contact. The structure and the connection method can shorten the length of the resistor, completely insulate the electrical circuits of the resistor from the possible leakage of the water inlet- and outlet-pipe of the heat dissipater, and enable the combinatory device of the resistor and the heat dissipater to be structurally more compact and the connections thereof cleaner.

Resistor, a heat dissipater and a combinatory device of resistor and heat dissipater

A thyristor assembly radiator for a DC converter valve. A water discharging port of an Nradiator is communicated with a water discharging port of an (N&#x2212;2)radiator. A water feeding port of the Nradiator is communicated with a water feeding port of an (N+2)radiator. Or, a water feeding port of the Nradiator is communicated with a water feeding port of the (N&#x2212;2)radiator, and a water discharging port of the Nradiator is communicated with a water discharging port of the (N+2)radiator. A water discharging port of an Mradiator is communicated with a water discharging port of an (M&#x2212;2)radiator, and a water feeding port of the Mradiator is communicated with a water feeding port of an (M+2)radiator, or a water feeding port of an Mradiator is communicated with a water feeding port of the (M&#x2212;2)radiator, and a water discharging port of the Mradiator is communicated with a water discharging port of an (M+2)radiator. Water feeding ports of the last two radiators are communicated. According to the radiator, the number of joints of a cooling system is reduced, the risk of leakage is lowered, the operation reliability of a converter valve is improved, the maintenance difficulty is lowered, and the maintenance time is shortened.

Thyristor assembly radiator for DC converter valve

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Jiangsu, China

Guangtai Zhang