Power supply device for taking electricity from high-voltage side in induction manner
A technology of inductive power taking and power supply device, applied in circuit devices, emergency protection circuit devices, emergency protection devices with automatic disconnection, etc., can solve problems such as burning loads, damage to protection circuits, economic losses, etc., and achieve high economic benefits. , The application prospect is good, the effect of ensuring safety and stability
Active Publication Date: 2012-07-11
STATE GRID JIANGSU ELECTRIC POWER CO LIANYUNGANG POWER SUPPLY CO +1
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The invention relates to field of electric, in particular to a power supply device for taking electricity from a high-voltage side in an induction manner. The power supply device can provide a low-voltage power supply for a monitoring device arranged on a high-voltage transmission line or in a high-voltage switch cabinet. The structure of the power supply device comprises an electricity taking module, an electric energy conditioning module and an intellectual protection module, wherein the electricity taking module comprises a primary busbar, an current transformer magnetic core, a secondary coil, a sample resistor and a single-pole double-throw relay; the electric energy conditioning module comprises a rectification circuit, a point bleeder circuit, a grain wave filter capacitor and a voltage-stabilizing circuit; and the intellectual protection module comprises an STM8 singlechip, an RF (radio frequency) module and a super capacitor. The power supply device for taking electricity from high-voltage side in the induction manner has a protection function and an intelligent monitoring function, effectively protects the power supply device and a rear load from being burned, and real time monitor the power supply through the RF module, and ensures safety and stability of providing power supply for an outer load.
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