Supercapacitor energy storage-based switching station emergency power supply system of switching station

Abstract

The invention provides a supercapacitor energy storage-based switching station emergency power supply system which can be used for a switching station. With regard to the characteristics of large power, small energy, severe environment and real maintenance-free required in a power supply condition of a switching station emergency power supply system, the supercapacitor energy storage-based switching station emergency power supply system which can be used for the switching station is provided by the invention. The switching station emergency power supply system employs a supercapacitor module to store energy; since the charge-discharge circulation of the supercapacitor module can reach 1 million times, the charging speed is fast, the cycle lifetime is long, real maintenance free is achieved during engineering running, and the management burden of a power distribution network is reduced; the switching station emergency power supply system is high in power density, simple in circuit design, high in safety coefficient and good in internal ultralow temperature characteristic, and uses green and pollution-free materials; in a condition of power outage, a supercapacitor energy storage DC power supply can be used for continuously supplying power; and two groups of the switching station emergency power supply system are arranged and are complementary to each other, and the reliability is greatly improved.

Description

technical field [0001] The invention relates to a backup power supply device for switching stations, in particular to a backup power supply system for switching stations based on supercapacitor energy storage. Background technique [0002] As the scale of cities and towns expands, the supporting facilities that provide them with electricity are also developing simultaneously. No matter their quantity or operation requirements, they are undergoing significant changes, especially in the construction of power grids. The scale of power grid construction is gradually expanding from economically developed areas. More and more areas are underway or preparing for power infrastructure construction. [0003] In related technologies, a high-frequency switching power supply system with batteries is usually used to supply power for secondary equipment and circuit breakers in the whole institute. During the operation of batteries, operation and maintenance are required, which increases th...

AI Technical Summary

Problems solved by technology

[0004] 1. The existing UPS power supply needs to be maintained every year, and the distribution network operators are overburdened;

[0005] 2. The existing UPS power supply system has no online monitoring function, and cannot reflect the failure of the UPS power supply itself in time;

[0006] 3. The existing UPS power supply system has no active and standby functions. When the UPS power supply system fails, it will face the danger of power failure;

[0007] 4. The power of the existing UPS power supply system is not high. To increase the power, it is necessary to increase the input of battery packs.

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