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APPLICATION INDUSTRY
APPLI
INDUSTRY
ELECTRIC VEHICLE CONTROLLER
The wind power converter uses the rotor of the doubly-fed asynchronous wind generator to excite, which makes the amplitude, frequency and phase of the stator side output voltage of the doubly-fed generator the same as the power grid, and the active and reactive power can be independently decoupled as required. The converter controls the doubly-fed asynchronous wind generator to realize soft grid-connection and reduce the adverse impact of grid-connection and motor from electric current. It can be said that whether the wind power converter runs stably directly affects the stability of the power grid. How to ensure the normal operation of wind power converter, heat dissipation is an indispensable step.
Solution to Heat Dissipation of Electric Vehicle Controller：
Water-cooled heat dissipation design is adopted in the heat dissipation scheme of the electric vehicle controller.
Heat dissipation components are divided into two parts：
Frame and water-cooled plate structure, and finally assemble them into a whole.
The back of the heat sink plate is designed to fully contact with the thermal elements, which can improve the heat dissipation efficiency of the heat sink area.
Heat Consumption and Contact Area of Power Devices：
| Component (Number) | contact area（mm²） | Power（w） |
| 1 Rectifer Module | 1192.99 | 121 |
| 2 IGBT Module | 1192.99 | 316 |
| 3 Resonance lnductor | 1299.62 | 18 |
| 4 Output lnductor | 3363.57 | 16 |
| 5 Transformer | 3363.57 | 70 |
| 6 PFC Madule | 1192.99 | 50 |
| 7 PFC Module | 1192.99 | 50 |
| 8-11 PFC Choke(Each Group) | 1002.05/Group | 24/Group |
The grid schematic diagram of water-cooled heat sink plate and heat sink tube：
The whole schematic diagram of the radiator of the electric vehicle controller：
（Total weight:2.55Kg，Frame:1.7Kg，Cold plate:0.85Kg）
The heat dissipation simulation effect sketch of the electric vehicle controller 1：
（When the water cooling velocity is：5L/min ，Initial temperature of water：25 ⁰C，Water pressure is：10485Pa，The maximum simulation temperature of water-cooled plate is：46.5 ⁰C）
The heat dissipation simulation effect sketch of the electric vehicle controller 2：
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