A power distribution system
A technology for power distribution and power output, applied in the field of circuits, can solve problems such as a reliable power distribution system lacking multiple power supplies, and achieve the effect of reliable power supply
Active Publication Date: 2019-12-03
EMERSON NETWORK POWER CO LTD
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a power supply that can be automatically switched on and off through the scheme of communication between mains and oil generator in view of the lack of reliable power distribution system for multi-channel power supply in the prior art Distribution System
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[0028] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0029] see figure 1 , is a control schematic diagram of a power distribution system according to a preferred embodiment of the present invention. Such as figure 1 As shown, the power distribution system provided by this embodiment at least includes a PLC controller (not shown in the figure), a tie switch 3QF, and four incoming line switches, and these four incoming line switches include the first line switch located on the first side The electric switch 1QF and the first oil-electric switch 2QF, and the second mains switch 5QF and the second oil-electric switch 4QF located on the second side. The above-mentioned incoming line switch and tie switch are preferably realized by circuit breakers.
[0030] Among them, the first mains power supply t...
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The invention relates to a power distribution system of a power supply. The power distribution system comprises a programmable logic controller (PLC), an interconnection switch and four incoming line switches, wherein a first mains supply end and an oil and power supply end are connected to a first-side power supply output bus respectively through a first mains supply switch and a first oil and power switch, a second mains supply end and an oil and power supply end are connected to a second-side power supply bus respectively through a second mains supply switch and a second oil and power switch, the contact switch is connected between the two side power supply output buses, the PLC is used for acquiring front-end power supply signals of the first mains supply switch and the second mains supply switch, and when one of two mains supplies is in power failure, an output command is used for controlling the oil and power switch at a power-losing side to be switched on and start an oil machine to supply power, or the contact switch is controlled to be switched on and the mains supply at the other side supplies power. One of the two power supplies is normal, automatic switching can be achieved by contact between the mains supplies and an incoming line scheme of the oil machine, automatic closing can be achieved in any abnormal condition according to a power supply condition, and reliable power supply is ensured.
Description
technical field [0001] The invention relates to the field of circuit technology, and more specifically, to a power distribution system with high power supply reliability. Background technique [0002] The modern smart grid puts forward new and higher requirements for the continuous and reliable operation of the power system, especially in the field of power supply and distribution where data centers have higher requirements for power supply reliability, and the reliability of power supply needs to be guaranteed to be above 99.67%. In order to ensure the reliability of power supply, in addition to adding UPS uninterruptible power supply solutions, it is also necessary to consider the source of power supply and strive to improve the source power supply reliability of low-voltage distribution power supply. [0003] Therefore, it is urgent to develop a power distribution system that can realize automatic switching and improve power supply reliability under the condition of multi...
Claims
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IPC IPC(8): H02J3/00H02J9/08
CPCH02J3/0073H02J9/08
Inventor 胡志强涂石养
Owner EMERSON NETWORK POWER CO LTD