CN212486197U

CN212486197U - Automatic power supply system for emergency power supply of power distribution room

Info

Publication number: CN212486197U
Application number: CN202020753837.4U
Authority: CN
Inventors: 翁庆坚; 陈军峰; 周明; 肖增标; 李盘胜; 杨计敏; 黄桂林; 陈学明; 黄志中; 黄飞凤
Original assignee: GUANGDONG GUANGYE YUNLIU MINING CO Ltd
Current assignee: GUANGDONG GUANGYE YUNLIU MINING CO Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-05
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses an automatic power supply system of emergency power supply in a power distribution room, which comprises a mains supply, a UPS power supply, a generator, a first switcher and a second switcher; the output end of the UPS is used for being electrically connected with an electric load; the generator is electrically connected with the input end of the UPS through the first switcher, the generator is also electrically connected with the power supply input end of the UPS through the second switcher, and the first switcher and the second switcher are used for automatically switching the generator into or out of a power supply circuit. The utility model discloses a set up generator, first switcher and second switcher, after the used transformer of electricity distribution room had a power failure, the UPS power drops into the power supply after, and automatic switch-over provides the power to the generator for the UPS power in the short time, can prolong the time of the uninterrupted power supply of UPS power, and emergent power supply time is unrestricted.

Description

Automatic power supply system for emergency power supply of power distribution room

Technical Field

The utility model relates to a power supply system field especially relates to a distribution room emergency power supply automatic power supply system.

Background

The UPS uninterrupted power supply system that current electricity distribution room used has when electricity is out to the high voltage electricity of electricity distribution room input, and UPS uninterrupted power supply system can provide the power and give the electrical control part of electricity distribution room, because UPS uninterrupted power supply system's battery capacity all less battery storage has 3000 AH 3, total power: 2.4kw 3, according to the consumption of present distribution room, the distribution room emergency power source can only maintain 2 hours, and when the transformer power supply trouble that uses of distribution room can not supply power within 2 hours, important data loss, system damage that can lead to because of the industrial control machine outage of distribution room. The data loss can lead to the breakdown of the automatic control system and the power relay comprehensive protection system controlled in the power distribution room, and even if the input power supply failure outside the power distribution room is eliminated and the power supply of the power distribution room is recovered, the power distribution room can not normally operate the automatic control system and the power relay comprehensive protection system because the central control room control system is broken down.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a distribution room emergency power source automatic power supply system mainly solves current distribution room transformer power supply trouble, the problem that the UPS power can not supply power for a long time.

The utility model provides an automatic power supply system of emergency power supply in a power distribution room, which comprises a mains supply, a UPS power supply, a generator, a first switcher and a second switcher; the output end of the UPS is used for being electrically connected with an electric load; the generator is electrically connected with the input end of the UPS through the first switcher, the generator is also electrically connected with the input end of the UPS through the second switcher, and the first switcher and the second switcher are used for automatically switching the generator into or out of a power supply circuit.

Further, the UPS power supply comprises a voltage stabilizer, wherein the voltage stabilizer is electrically connected with the input end of the UPS power supply.

Furthermore, the number of the UPS power supplies is three, and the three UPS power supplies are arranged in parallel.

Furthermore, the input end of each UPS power supply is electrically connected with a reactor correspondingly.

Further, the power generation device also comprises a power generation reactor which is installed at the output end of the power generator in parallel.

Further, the generator is a 10KW gasoline generator.

Further, the power of the UPS is 2.4KW, and the frequency is 50 Hz.

Furthermore, the surge protector is electrically connected between the input end of the load and the output end of the UPS.

The utility model has the advantages that:

through setting up generator, first switcher and second switcher, after the used transformer of electricity distribution room has a power failure, after the UPS power supply drops into the power supply, in the short time automatic switch-over to the generator provides the power for the UPS power supply, can prolong the time of the incessant power supply of UPS power, wait to use transformer resume power supply after, automatic switch-over stops the generator to in the short time automatic switch-over to used transformer power supply. The automatic power supply system of the emergency power supply of the distribution room has the advantages of convenience in installation, stability in control and no limitation on emergency power supply time.

Drawings

Fig. 1 is a schematic diagram of an emergency power supply automatic power supply system of a distribution room according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an emergency power supply system of a distribution room according to an embodiment of the present invention;

wherein: 1. a transformer; 20. a first switch; 21. a second switch; 3. a generator; 4. a voltage regulator; 5. a UPS power supply; 6. a surge protector; 7. and (4) loading.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to fig. 1 to 2, the present embodiment provides an emergency power supply system for a power distribution room, which includes a commercial power supply, a UPS power supply 5, a generator 3, a first switch 20, and a second switch 21; the transformer 1 is electrically connected between the output end of the commercial power supply and the input end of the generator, the input end of the UPS is electrically connected with the transformer, and the output end of the UPS is used for being electrically connected with the power load 7; the generator is electrically connected with the input end of the UPS through the first switcher, the generator is also electrically connected with the input end of the UPS through the second switcher, the first switcher and the second switcher are used for automatically switching the generator into or out of a power supply circuit, two switchers are installed, when one switcher fails to switch, the other switcher can be timely switched to the generator to generate power, and the circuit is effectively guaranteed to supply power timely.

Therefore, after the mains supply is powered off and the transformer is powered off, the first switcher and the second switcher are automatically switched to the generator to generate electricity, so that long-time emergency power supply can be realized, and the problem of short emergency power supply time of the UPS uninterrupted power supply system is solved. And when the power supply of the transformer is recovered, the generator is stopped, and the transformer is automatically switched to supply power to the circuit system.

Optionally, the power supply system further includes a voltage stabilizer 4, the voltage stabilizer is electrically connected to the input end of the UPS power supply, and the voltage input to the UPS power supply is subjected to voltage stabilization, that is, the voltage output by the transformer and the voltage output by the generator are both transmitted to the load through the voltage stabilizer, so as to ensure that the voltage of the load is at a normal level.

In order to improve the power supply reliability of the UPS power supplies, the number of the UPS power supplies is set to be three, the three UPS power supplies are arranged in parallel, the UPS power supplies are installed in a redundant parallel machine, and high-quality power supply is provided for loads, wherein the power of the UPS power supplies is 2.4KW, the frequency is 50 Hz, and the model is Shante C3K/2400UPS 2400W.

In order to improve the use efficiency of the UPS and the compatibility of the UPS and the generator, a reactor is correspondingly and electrically connected to the input end of each UPS.

Optionally, the power supply system further comprises a generator reactor, the generator reactor is arranged at the output end of the generator in parallel, the reactor always absorbs current and influences load power factor under the condition of high load or low load, compatibility of the UPS power supply and the generator is improved, and the number of the reactors cannot be changed due to the change of the number of the UPS power supplies.

In order to reduce the noise of the electric appliance, a mute gasoline generator with the frequency of 50 Hz and the generator of 10KW is selected.

Further, in order to protect the normal use of load, the surge protector 6 is electrically connected between the input end of the voltage load and the output end of the UPS, and when spike current or voltage is suddenly generated in an electric loop due to external interference, lightning stroke and the like, the surge protector can conduct and shunt in a very short time, so that the damage of surge to other equipment in the loop is avoided.

The above-described embodiments are merely illustrative of the embodiments of the present invention, and do not limit the spirit and scope of the present invention. Under the prerequisite that does not deviate from the design concept of the utility model, the ordinary person in the art should fall into the protection scope of the utility model to the various changes and improvements that the technical scheme of the utility model made.

Claims

1. An automatic power supply system of an emergency power supply of a power distribution room comprises a mains supply and is characterized by further comprising a UPS (uninterrupted power supply), a generator, a first switcher and a second switcher; the output end of the UPS is used for being electrically connected with an electric load; the generator is electrically connected with the input end of the UPS through the first switcher, the generator is also electrically connected with the input end of the UPS through the second switcher, and the first switcher and the second switcher are used for automatically switching the generator into or out of a power supply circuit.

2. The automatic power supply system of the emergency power supply of the power distribution room as claimed in claim 1, further comprising a voltage stabilizer, wherein the voltage stabilizer is electrically connected to the UPS power input.

3. The automatic power supply system for the emergency power supply of the distribution room as claimed in claim 1, wherein the number of the UPS power supplies is three, and the three UPS power supplies are arranged in parallel.

4. The automatic power supply system for the emergency power supply of the power distribution room as claimed in claim 3, wherein the input end of each UPS is electrically connected with a corresponding reactor.

5. The automatic power supply system for the emergency power supply of the power distribution room as claimed in claim 1, further comprising a generator reactor, wherein the generator reactor is installed in parallel at an output end of the generator.

6. The electrical distribution room emergency power automatic supply system of claim 1, wherein the electrical generator is a 10KW gasoline generator.

7. The automatic power supply system for emergency power supply of power distribution room of claim 1, wherein the power of the UPS power supply is 2.4KW and the frequency is 50 hz.

8. The automatic emergency power supply system for the power distribution room according to claim 1, wherein a surge protector is electrically connected between the input end of the load and the output end of the UPS.