CN103915886A - Uninterruptible power supply maintaining bypass device and uninterruptible power supply system - Google Patents

Uninterruptible power supply maintaining bypass device and uninterruptible power supply system Download PDF

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Publication number
CN103915886A
CN103915886A CN201410127233.8A CN201410127233A CN103915886A CN 103915886 A CN103915886 A CN 103915886A CN 201410127233 A CN201410127233 A CN 201410127233A CN 103915886 A CN103915886 A CN 103915886A
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China
Prior art keywords
power supply
terminals
uninterrupted power
line bank
circuit breaker
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Granted
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CN201410127233.8A
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Chinese (zh)
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CN103915886B (en
Inventor
任中福
徐辉
尤勇
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Invt Power Sytem Shenzhen Co ltd
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Invt Power Sytem Shenzhen Co ltd
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Priority to CN201410127233.8A priority Critical patent/CN103915886B/en
Publication of CN103915886A publication Critical patent/CN103915886A/en
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Publication of CN103915886B publication Critical patent/CN103915886B/en
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Abstract

The invention discloses an uninterruptible power supply maintaining bypass device. A first breaker, a second breaker and a third breaker can be three single-pole breakers, or the first breaker is a single-pole breaker, the second breaker and the third breaker are a first switch circuit and a second switch circuit of a double-pole breaker, the using numbers of double-pole breakers is reduced, and accordingly maintaining bypass cost is lowered. Through a hot-pluggable connector, the hot-plug function of the uninterruptible power supply maintaining bypass device and an uninterruptible power supply is achieved, and accordingly on-line maintaining can be carried out on the uninterruptible power supply. The using number of the double-pole breakers is reduced, so that a maintaining bypass is small in occupied space and can be easily integrated into a UPS machine case, and accordingly machine frame space is saved.

Description

Uninterrupted power supply maintenance bypass device and uninterruptible power system
Technical field
The present invention relates to technical field of power systems, more particularly, relate to a kind of uninterrupted power supply maintenance bypass device and uninterruptible power system.
Background technology
Uninterrupted power supply (Uninterruptible Power System, UPS) is the important external equipment that lasting, stable, continual power supply supply can be provided for load.Due in the time UPS being changed or safeguards, need to be by UPS power-off, but to ensure the not power-off of load being connected with UPS, therefore in order to ensure not power-off of load in the time UPS being changed or safeguard, need to be UPS outfit maintenance bypass assembly.
A kind of implementation of conventional a kind of maintenance bypass is at present, at UPS exterior arrangement maintenance bypass cabinet.The annexation of the structure of maintenance bypass cabinet and maintenance bypass cabinet and UPS as shown in Figure 1, (the cabinet of maintenance bypass shown in Fig. 1 comprises 3 double-pole cut-outs, K1, K2 in Fig. 1, K3), in the time that needs are safeguarded UPS, closed K2 successively, disconnects K1 and K3, thereby while realizing UPS power-off, not power-off of load, changes UPS online or safeguards.
But inventor finds realizing in process of the present invention, the number of the double-pole cut-out that the implementation of current maintenance bypass assembly needs is more, make maintenance bypass to realize cost higher.
Summary of the invention
The object of this invention is to provide a kind of uninterrupted power supply maintenance bypass device, to reduce maintenance bypass cost.
For achieving the above object, the invention provides following technical scheme:
A kind of uninterrupted power supply maintenance bypass device, described uninterrupted power supply maintenance bypass device is connected by hot-swappable connector with described uninterrupted power supply, described hot-swappable connector comprises that first of hot-swappable connection connects panel and is connected panel with second, and described second connects panel is connected with the mains electricity input end of described uninterrupted power supply and the output of described uninterrupted power supply; Described uninterrupted power supply maintenance bypass device comprises: line bank is connected panel with described first; Wherein,
The first terminals of described line bank are connected with the described first the first terminals that are connected panel by the first circuit breaker, form the first civil power input channel of described uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
The second terminals of described line bank are connected with the described first the second terminals that are connected panel, form the second civil power input channel of described uninterrupted power supply, and the second terminals of described line bank are also for being connected with the second output of civil power;
The 3rd terminals of described line bank are connected panel the 3rd terminals with described first are connected, and form the first output channel of described uninterrupted power supply, and the 3rd terminals of described line bank are also for being connected with the first input end of load;
The 4th terminals of described line bank are connected panel the 4th terminals with described first are connected, and form the second output channel of described uninterrupted power supply, and the 4th terminals of described line bank are also for being connected with the second input of load;
The first terminals of described line bank are connected panel with described first the 3rd terminals by the second circuit breaker are connected;
The second terminals of described line bank are connected panel with described first the 4th terminals by the 3rd circuit breaker are connected.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, described uninterrupted power supply is single-phase input uninterrupted power supply, and the first terminals of described line bank are for being connected with the live wire output of civil power, and the second terminals of described line bank are for being connected with the zero line output of civil power.
Above-mentioned uninterrupted power supply maintenance bypass device, preferred, described uninterrupted power supply is three-phase input uninterrupted power supply, described line bank also comprises: the 6th terminals and the 7th terminals;
The 6th terminals of described line bank are connected panel the 6th terminals with described first are connected, and form the 3rd civil power input channel of described uninterrupted power supply, and the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
The 7th terminals of described line bank are connected panel the 7th terminals with described first are connected, and form the 4th civil power input channel of described uninterrupted power supply, and the 7th terminals of described line bank are also for being connected with the 4th output of civil power;
The first terminals of described line bank are for being connected with the first live wire output of civil power, the second terminals of described line bank are for being connected with the zero line output of civil power, the 6th terminals of described line bank are for being connected with the second live wire output of civil power, and the 7th terminals of described line bank are for being connected with the 3rd live wire output of civil power.
Above-mentioned uninterrupted power supply maintenance bypass device, preferred, the 6th terminals of described line bank are connected panel with described first the 6th terminals by the 4th circuit breaker are connected;
The 7th terminals of described line bank are connected panel with described first the 7th terminals by the 5th circuit breaker are connected.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, the first switching circuit that described the first circuit breaker is three-pole breaker, the second switch circuit that described the 4th circuit breaker is described three-pole breaker, the 3rd switching circuit that described the 5th circuit breaker is described three-pole breaker.
Above-mentioned uninterrupted power supply maintenance bypass device, preferred, described the first circuit breaker is single-pole circuit breaker, the first switching circuit that described the second circuit breaker is double-pole cut-out, the second switch circuit that described the 3rd circuit breaker is described double-pole cut-out.
Above-mentioned uninterrupted power supply maintenance bypass device, preferably, described hot-swappable connector is aviation connector, on the first connection panel of described hot-swappable connector, be provided with some jacks, described can plug-in connector second connect on panel and be provided with some contact pins, or first of described hot-swappable connector connects on panel and is provided with some contact pins, described can plug-in connector second connect on panel and be provided with some holes, described contact pin and jack be corresponding setting one by one.
Above-mentioned uninterrupted power supply maintenance bypass device, preferred, also comprise:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
A kind of uninterruptible power system, comprising: single-phase input uninterrupted power supply and uninterrupted power supply maintenance bypass device as above.
Above-mentioned uninterruptible power system, preferred, described uninterrupted power supply maintenance bypass device also comprises: package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described single-phase input uninterrupted power supply, and removably connects with the cabinet of described single-phase input uninterrupted power supply.
A kind of uninterruptible power system, comprising: three-phase input uninterrupted power supply and the uninterrupted power supply maintenance bypass device of the above.
Above-mentioned uninterruptible power system, preferred, described uninterrupted power supply maintenance bypass device also comprises:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described three-phase input uninterrupted power supply, and removably connects with the cabinet of described three-phase input uninterrupted power supply.。
Known by above scheme, a kind of uninterrupted power supply maintenance bypass device that the application provides, the first circuit breaker, the second circuit breaker and the 3rd circuit breaker can be three single-pole circuit breakers, or, the first circuit breaker is single-pole circuit breaker, realized the function of described the second circuit breaker and described the 3rd circuit breaker by a double-pole cut-out, reduce the use number of double-pole cut-out, thereby reduce the cost of maintenance bypass, and, by hot-swappable connector, realize the warm connection function between uninterrupted power supply maintenance bypass device and uninterrupted power supply, thereby can carry out on-line maintenance to uninterrupted power supply.And, because the use amount of double-pole cut-out reduces, the shared space of maintenance bypass is reduced, be easy to be integrated into UPS cabinet inside, thereby can save rack space.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of uninterrupted power supply maintenance bypass cabinet in prior art;
A kind of structural representation of the uninterrupted power supply maintenance bypass device that Fig. 2 provides for the embodiment of the present application;
The another kind of structural representation of the uninterrupted power supply maintenance bypass device that Fig. 3 provides for the embodiment of the present application;
Another structural representation of the uninterrupted power supply maintenance bypass device that Fig. 4 provides for the embodiment of the present application;
Another structural representation of the uninterrupted power supply maintenance bypass device that Fig. 5 provides for the embodiment of the present application;
First of the hot-swappable connector that Fig. 6 provides for the embodiment of the present application connects panel is connected panel a kind of structural representation with second;
The overall structure schematic diagram of the uninterrupted power supply maintenance bypass device after the encapsulation that Fig. 7 provides for the embodiment of the present application;
The overall structure schematic diagram of the uninterrupted power supply that is integrated with uninterrupted power supply maintenance bypass device that Fig. 8 provides for the embodiment of the present application.
Term " first " in specification and claims and above-mentioned accompanying drawing, " second ", " the 3rd " " 4th " etc. (if existence) are for distinguishing similar part, and needn't be used for describing specific order or precedence.The data that should be appreciated that such use suitably can exchanged in situation, so that the application's described herein embodiment can be with except the order enforcement here illustrated.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In the embodiment of the present application, introduce hot-swappable connector, realize the warm connection function between maintenance bypass device and UPS, wherein, hot-swappable connector comprises that hot swappable first connects panel and is connected panel with second, described second connects panel is connected with the mains electricity input end of described uninterrupted power supply and the output of described uninterrupted power supply, that is to say, in the embodiment of the present application, second connects panel is arranged on uninterrupted power supply side, and the first connection panel is arranged on uninterrupted power supply maintenance bypass device side;
Refer to Fig. 2, a kind of structural representation of the uninterrupted power supply maintenance bypass device that Fig. 2 provides for the embodiment of the present application, can comprise:
First of line bank 11 and hot-swappable connector is connected panel 12; Wherein,
The first terminals a1 of line bank 11 is connected panel 12 with first the first terminals b1 by the first circuit breaker 13 is connected, the the first civil power input channel that forms uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
The first civil power input channel can be the live wire input channel of civil power.
The second terminals a2 of line bank 11 is connected panel 12 the second terminals b2 with first is connected, and forms the second civil power input channel of uninterrupted power supply, and the second terminals of described line bank are also for being connected with the second output of civil power;
The second civil power input channel can be the zero line input channel of civil power.
The 3rd terminals a3 of line bank 11 is connected panel 12 the 3rd terminals b3 with first is connected, and forms the first output channel of uninterrupted power supply, and the 3rd terminals of described line bank are also for being connected with the first input end of load;
The 4th terminals a4 of line bank 11 is connected panel 12 the 4th terminals b4 with first is connected, and forms the second output channel of uninterrupted power supply, and the 4th terminals of described line bank are also for being connected with the second input of load.
The first terminals a1 of line bank 11 is connected panel 12 with first the 3rd terminals b3 by the second circuit breaker 14 is connected;
That is to say, the first terminals a1 of line bank 11 is connected with the 3rd terminals a3 of line bank 11 is connected the 3rd terminals b3 of panel 12 common port with first by the second circuit breaker 14.
The second terminals a2 of line bank 11 is connected panel 12 with first the 4th terminals b4 by the 3rd circuit breaker 15 is connected.
That is to say, the second terminals a2 of line bank 11 is connected with the 4th terminals a4 of line bank 11 is connected the 4th terminals b4 of panel 12 common port with first by the 3rd circuit breaker 15.
Specifically in use, the first terminals a1 of line bank 11 connects the live wire of civil power input, and the second terminals a2 of line bank connects the zero line of civil power input, and the 3rd terminals a3 and the 4th terminals a4 of line bank connect load;
In the time that first of hot-swappable connector connects panel 12 and second and is connected panel and is connected, the first the first terminals b1 that connects panel 12 is connected with the live wire input of uninterrupted power supply, the first the second terminals b2 that connects panel 12 is connected with the zero line input of uninterrupted power supply, the first the 3rd terminals b3 that connects panel 12 is connected with the first output of uninterrupted power supply, and the first the 4th terminals b4 that connects panel 12 is connected with the second output of uninterrupted power supply.
In the time of uninterrupted power supply normal power supply, the first circuit breaker 13 is in closure state, and the second circuit breaker 14 and the 3rd circuit breaker 15 are all in off-state; Now, civil power enters uninterrupted power supply by the first circuit breaker 13 and hot-swappable connector, and after uninterrupted power supply is processed, the electric current of output exports load to by hot-swappable connector;
In the time that needs are safeguarded uninterrupted power supply, the first circuit breaker 13 is disconnected, the second circuit breaker 14 and the 3rd circuit breaker 15 are all closed, and the first connection panel 12 of hot-swappable connector is connected to panel separation with second; Now, civil power directly exports load to by the second circuit breaker 14 and the 3rd circuit breaker 15, and no longer passes through uninterrupted power supply, thereby has realized the on-line maintenance of UPS.
A kind of uninterrupted power supply on-line maintenance shunting device that the embodiment of the present application provides, the first circuit breaker, the second circuit breaker and the 3rd circuit breaker can be three single-pole circuit breakers, or, the first circuit breaker is single-pole circuit breaker, realized the function of described the second circuit breaker and described the 3rd circuit breaker by a double-pole cut-out, reduce the use number of double-pole cut-out, thereby reduce the cost of maintenance bypass, and, by hot-swappable connector, realize the warm connection function between uninterrupted power supply maintenance bypass device and uninterrupted power supply, thereby can carry out on-line maintenance to uninterrupted power supply.And, because the use amount of double-pole cut-out reduces, the shared space of maintenance bypass is reduced, be easy to be integrated into UPS cabinet inside, thereby can save rack space
On basis embodiment illustrated in fig. 2, the another kind of structural representation of the uninterrupted power supply maintenance bypass device that the embodiment of the present application provides as shown in Figure 3, can also comprise:
The 5th terminals a5 of line bank 11 is connected panel 12 the 5th terminals b5 with first is connected, and forms the ground wire input channel of uninterrupted power supply;
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be also provided with ground wire passage, in the time that first of hot-swappable connector connects panel 12 and second and is connected panel and is connected, the first connection the 5th terminals b5 of panel 12 and the input of the ground wire of UPS are connected, with avoid electric leakage situation occur time, the danger that user is electrically shocked.
In above-described embodiment, the uninterrupted power supply maintenance bypass device providing goes for singly entering singly to go out uninterrupted power supply (being single-phase input uninterrupted power supply) electric power system, now, the first terminals of described line bank are for being connected with the live wire output of civil power, and the second terminals of described line bank are for being connected with the zero line output of civil power.
In above-described embodiment, the uninterrupted power supply maintenance bypass device providing can also be applicable to three and enter singly to go out uninterrupted power supply (being three-phase input uninterrupted power supply) electric power system, on Fig. 1 or basis embodiment illustrated in fig. 2, as shown in Figure 4, described line bank can also comprise another structural representation of the uninterrupted power supply maintenance bypass device that the embodiment of the present application provides: the 6th terminals a6 and the 7th terminals a7;
The 6th terminals a6 of line bank 11 is connected panel 12 the 6th terminals b6 with first is connected, and forms the 3rd civil power input channel of uninterrupted power supply, and the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
The 3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
The 7th terminals a7 of line bank 11 is connected panel 12 the 7th terminals b7 with first is connected, and forms the 4th civil power input channel of uninterrupted power supply, and the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
The 4th civil power input channel can be the third phase live wire input channel of three-phase mains.
In the embodiment of the present application, the first terminals a1 of line bank 11 is connected panel 12 with first the first terminals b1 by the first circuit breaker 13 is connected, and forms the first civil power input channel of uninterrupted power supply;
In the embodiment of the present application, three-phase firewire inputs to uninterrupted power supply by different civil power input channels.Because uninterrupted power supply internal by-pass is exported (in Fig. 4, bypass output 3 in UPS) can be connected with any phase civil power input of uninterrupted power supply, therefore, in the embodiment of the present application, the first civil power input channel can be inputted identical civil power input channel for exporting with uninterrupted power supply internal by-pass the civil power connecting.For example, in the time that the civil power L1 of the bypass output 3 connection uninterrupted power supplys in UPS inputs mutually, the L1 phase input channel that the first civil power input channel is civil power, the first Wiring port of line bank is for being connected with the L1 phase output terminal of civil power; And if the L2 that connect the civil power of uninterrupted power supplys when the bypass output 3 in UPS are while inputting mutually, the L2 phase input channel that the first civil power input channel is civil power, the first Wiring port of line bank is for being connected with the L2 phase output terminal of civil power.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, can realize three bypasses of entering the uninterrupted power supply singly going out and safeguard.
Specifically in use, the first terminals a1 of line bank 11 meets the first-phase live wire L1 of civil power input, and the 6th terminals a6 of line bank 11 meets the second-phase live wire L2 of civil power input, and the 7th terminals a7 of line bank 11 meets the third phase live wire L3 of civil power input; The second terminals a2 of line bank meets the zero line N of civil power input, and the 3rd terminals a3 and the 4th terminals a4 of line bank 11 connect load;
In the time that first of hot-swappable connector connects panel 12 and second and is connected panel and is connected, first connection the first terminals b1 of panel 12 and the first-phase live wire input of uninterrupted power supply are connected, the first connection the 6th terminals b6 of panel 12 and the second-phase live wire input of uninterrupted power supply are connected, the first connection the 7th terminals b7 of panel 12 and the third phase live wire input of uninterrupted power supply are connected, the first the second terminals b2 that connects panel 12 is connected with the zero line input of uninterrupted power supply, the first the 3rd terminals b3 that connects panel 12 is connected with the first output of uninterrupted power supply, the first the 4th terminals b4 that connects panel 12 is connected with the second output of uninterrupted power supply.
In the time of uninterrupted power supply normal power supply, the first circuit breaker 13 is in closure state, and the second circuit breaker 14 and the 3rd circuit breaker 15 are all in off-state; Now, civil power enters uninterrupted power supply by the first circuit breaker 13 and hot-swappable connector, and after uninterrupted power supply is processed, the electric current of output exports load to by hot-swappable connector;
In the time that needs are safeguarded uninterrupted power supply, the first circuit breaker 13 is disconnected, the second circuit breaker 14 and the 3rd circuit breaker 15 are all closed, and the first connection panel 12 of hot-swappable connector is connected to panel separation with second; Now, civil power directly exports load to by the second circuit breaker 14 and the 3rd circuit breaker 15, and no longer passes through uninterrupted power supply, thereby has realized the on-line maintenance of UPS.
On Fig. 1 or basis embodiment illustrated in fig. 2, another structural representation of the uninterrupted power supply maintenance bypass device that the embodiment of the present application provides as shown in Figure 5, described uninterrupted power supply is three-phase input uninterrupted power supply, and described line bank can also comprise: the 6th terminals a6 and the 7th terminals a7;
The 6th terminals a6 of line bank 11 is connected panel 12 with first the 6th terminals b6 by the 4th circuit breaker 16 is connected, the 3rd civil power input channel that forms uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
The 3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
The 7th terminals a7 of line bank 11 is connected panel 12 with first the 7th terminals b7 by the 5th circuit breaker 17 is connected, the 4th civil power input channel that forms uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
The 4th civil power input channel can be the third phase live wire input channel of three-phase mains.
In the embodiment of the present application, the first terminals a1 of line bank 11 is connected panel 12 with first the first terminals b1 by the first circuit breaker 13 is connected, and forms the first civil power input channel of uninterrupted power supply;
The first civil power input channel can be the first-phase live wire input channel of three-phase mains.
The first civil power input channel can be the first-phase live wire input channel of three-phase mains.Wherein, first-phase live wire input channel can be the input channel of any phase firewire in three-phase firewire, and three-phase firewire inputs to uninterrupted power supply by different live wire input channels.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, be applicable to three and enter the uninterrupted power supply electric power system singly going out.
Specifically in use, the first terminals a1 of line bank 11 meets the first-phase live wire L1 of civil power input, and the 6th terminals a6 of line bank 11 meets the second-phase live wire L2 of civil power input, and the 7th terminals a7 of line bank 11 meets the third phase live wire L3 of civil power input; The second terminals a2 of line bank meets the zero line N of civil power input, and the 3rd terminals a3 and the 4th terminals a4 of line bank 11 connect load;
In the time that first of hot-swappable connector connects panel 12 and second and is connected panel and is connected, first connection the first terminals b1 of panel 12 and the first-phase live wire input of uninterrupted power supply are connected, the first connection the 6th terminals b6 of panel 12 and the second-phase live wire input of uninterrupted power supply are connected, the first connection the 7th terminals b7 of panel 12 and the third phase live wire input of uninterrupted power supply are connected, the first the second terminals b2 that connects panel 12 is connected with the zero line input of uninterrupted power supply, the first the 3rd terminals b3 that connects panel 12 is connected with the first output of uninterrupted power supply, the first the 4th terminals b4 that connects panel 12 is connected with the second output of uninterrupted power supply.
When uninterrupted power supply normal power supply (when in inversion operating conditions), the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 are all in closure state, and the second circuit breaker 14 and the 3rd circuit breaker 15 are all in off-state; Now, civil power enters uninterrupted power supply by the first circuit breaker 13 and hot-swappable connector, and after uninterrupted power supply is processed, the electric current of output exports load to by hot-swappable connector;
When needs are safeguarded (when in maintenance bypass state) to uninterrupted power supply, the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 are disconnected, the second circuit breaker 14 and the 3rd circuit breaker 15 are all closed, and the first connection panel 12 of hot-swappable connector is connected to panel separation with second; Now, civil power directly exports load to by the second circuit breaker 14 and the 3rd circuit breaker 15, and no longer passes through uninterrupted power supply, thereby has realized the on-line maintenance of UPS.
In above-described embodiment, preferred, for ease of operation, the first switching circuit that the first circuit breaker 13 is three-pole breaker, the second switch circuit that the 4th circuit breaker 16 is described three-pole breaker, the 3rd switching circuit that the 5th circuit breaker 17 is described three-pole breaker.
That is to say, in the embodiment of the present application, the function of the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 can realize by a three-pole breaker, replaces described the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 with a three-pole breaker.
In above-described embodiment, preferred, the first switching circuit that the second circuit breaker 14 is double-pole cut-out, the second switch circuit that the 3rd circuit breaker 15 is described double-pole cut-out.
That is to say, in the embodiment of the present application, the function of the second circuit breaker 13 and the 3rd circuit breaker 15 can realize by a double-pole cut-out, replaces described the second circuit breaker 13 and the 3rd circuit breaker 15 for a double-pole cut-out.
In above-described embodiment, preferably, the hot-swappable connector that the embodiment of the present application provides can connect device for aviation company, and aviation connector aims at modular power source design, adopt advanced one sheet hyperboloid formula wire spring socket or hat spring socket as contact, there is high dynamic Contact reliability.Hat spring socket has level and smooth arc contact surface, plugs softly, ensures Maximum Contact face simultaneously, and contact resistance is low, and temperature rise is little, and shock resistance is high.Wherein, first of aviation connector connects panel is connected panel a kind of structural representation with second as shown in Figure 6, and the first connection panel P1 of described aviation connector is aviation connector female end, is provided with some jacks on it, as be preced with spring socket, can prevent that finger from getting an electric shock.It is aviation connector male head that second of described aviation connector connects panel P2, is provided with some contact pins on it, and described contact pin and jack be corresponding setting one by one, contact pin insert a jack can good coupling, forms a sub-connector, support hot plug; In the embodiment of the present application, the rated current of selected aviation connector can be 75A.
Above-described embodiment, preferred, described uninterrupted power supply maintenance bypass device can also comprise:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
For convenient, uninterrupted power supply maintenance bypass device is separated with uninterrupted power supply, uninterrupted power supply maintenance bypass device can be encapsulated with shell, the overall structure schematic diagram of the uninterrupted power supply maintenance bypass device after the encapsulation that the embodiment of the present application provides as shown in Figure 7.In Fig. 7, the first connection panel that parts 71 are hot-swappable connector, parts 72 are line bank, and parts 73 are the first circuit breaker, and parts 74 are two single-pole circuit breakers or a double-pole cut-out.
A kind of uninterruptible power system that the embodiment of the present application also provides, a kind of structural representation of the uninterruptible power system that the embodiment of the present application provides can, referring to Fig. 2, can comprise:
Uninterrupted power supply UPS and uninterrupted power supply maintenance bypass device; Wherein, described uninterrupted power supply is for singly entering singly to go out uninterrupted power supply (being single-phase input uninterrupted power supply), and described uninterrupted power supply is connected by hot-swappable connector with described uninterrupted power supply bypass maintenance bypass device; Described hot-swappable connector comprises that first of hot-swappable connection connects panel and is connected panel with second; Described second connects panel is connected with the mains electricity input end of described uninterrupted power supply and the output of described uninterrupted power supply;
Uninterrupted power supply UPS comprises UPS rectifier and inverter module and relay, wherein, the input of UPS rectifier and inverter module connects civil power, the inversion of UPS rectifier and inverter module is output as single-phase output, wherein, the zero line output of UPS rectifier and inverter module is directly connected with hot-swappable connector, the live wire output of UPS rectifier and inverter module is connected with the Chang Kaiduan 2 of relay, the normal-closed end 3 of relay and one is inputted mutually live wire and is connected, and the stiff end 1 of relay is directly connected with hot-swappable connector;
The operating state of uninterruptible power system comprises inversion operating conditions, internal by-pass state and maintenance bypass state, and concrete state is as follows:
Inversion operating conditions: the first circuit breaker 13 closures, the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect; The first connection panel P1 of hot-swappable connector is connected panel P2 with second and combines closely, civil power is connected panel P2 by the first circuit breaker 13, the first connection panel P1 with second, enter uninterrupted power supply, outputting standard sine wave after UPS rectifier and inverter module, (now the dynamic contact of relay is switched to Chang Kaiduan 2 to export relay to, stiff end 1 and Chang Kaiduan 2 UNICOMs of relay), inversion output is given load by hot-swappable connector.
Internal by-pass state: the first circuit breaker 13 closures, the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect; The first connection panel P1 of hot-swappable connector is connected panel P2 with second and combines closely, civil power is connected panel P2 by the first circuit breaker 13, the first connection panel P1 with second, enter uninterrupted power supply, now, the dynamic contact of relay is switched to normal-closed end 3, the stiff end 1 of relay and normal-closed end 3 UNICOMs, now, civil power directly flows to load by relay and hot-swappable connector without UPS rectifier and inverter module.
Maintenance bypass state: the first circuit breaker 13 disconnects, the second circuit breaker 14 and the 3rd circuit breaker 15 closures; First of hot-swappable connector connects panel P1 and is connected panel P2 separation with second, and civil power directly outputs to load through the second circuit breaker 14 and the 3rd circuit breaker 15.
Described uninterrupted power supply maintenance bypass device comprises: line bank 11 is connected panel 12 with described first; Wherein,
The first terminals a1 of line bank 11 is connected panel 12 with first the first terminals b1 by the first circuit breaker 13 is connected, the the first civil power input channel that forms uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
The first civil power input channel can be the live wire input channel of civil power.
The second terminals a2 of line bank 11 is connected panel 12 the second terminals b2 with first is connected, and forms the second civil power input channel of uninterrupted power supply, and the second terminals of described line bank are also for being connected with the second output of civil power;
The second civil power input channel can be the zero line input channel of civil power.
The 3rd terminals a3 of line bank 11 is connected panel 12 the 3rd terminals b3 with first is connected, and forms the first output channel of uninterrupted power supply, and the 3rd terminals of described line bank are also for being connected with the first input end of load;
The 4th terminals a4 of line bank 11 is connected panel 12 the 4th terminals b4 with first is connected, and forms the second output channel of uninterrupted power supply, and the 4th terminals of described line bank are also for being connected with the second input of load.
The first terminals a1 of line bank 11 is connected panel 12 with first the 3rd terminals b3 by the second circuit breaker 14 is connected;
That is to say, the first terminals a1 of line bank 11 is connected with the 3rd terminals a3 of line bank 11 is connected the 3rd terminals b3 of panel 12 common port with first by the second circuit breaker 14.
The second terminals a2 of line bank 11 is connected panel 12 with first the 4th terminals b4 by the 3rd circuit breaker 15 is connected.
That is to say, the second terminals a2 of line bank 11 is connected with the 4th terminals a4 of line bank 11 is connected the 4th terminals b4 of panel 12 common port with first by the 3rd circuit breaker 15.
In the time that described first connects panel and described second and is connected panel and is connected, described first connection the first terminals of panel and the first mains electricity input end of described uninterrupted power supply are connected, described first connection the second terminals of panel and the second mains electricity input end of described uninterrupted power supply are connected, the described first the 3rd terminals that connect panel are connected with the first output of described uninterrupted power supply, and the described first the 4th terminals that connect panel are connected with the second output of described uninterrupted power supply.
The 5th terminals a5 of line bank 11 is connected panel 12 the 5th terminals b5 with first is connected, and forms the ground wire input channel of uninterrupted power supply;
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be also provided with ground wire passage, in the time that first of hot-swappable connector connects panel 12 and second and is connected panel and is connected, the first connection the 5th terminals b5 of panel 12 and the input of the ground wire of UPS are connected, with avoid electric leakage situation occur time, the danger that user is electrically shocked.
In above-described embodiment, described uninterrupted power supply is for singly entering singly to go out uninterrupted power supply, the structural representation of the another kind of uninterruptible power system that the embodiment of the present application provides as shown in Figure 4, in embodiment illustrated in fig. 4, uninterrupted power supply is three to enter singly to go out uninterrupted power supply (for three-phase input uninterrupted power supply), preferably, on basis embodiment illustrated in fig. 2, described line bank 11 also can also comprise: the 6th terminals a6 and the 7th terminals a7;
The 6th terminals a6 of line bank 11 is connected panel 12 the 6th terminals b6 with first is connected, and forms the 3rd civil power input channel of uninterrupted power supply, and the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
The 3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
The 7th terminals a7 of line bank 11 is connected panel 12 the 7th terminals b7 with first is connected, and forms the 4th civil power input channel of uninterrupted power supply, and the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
The 4th civil power input channel can be the third phase live wire input channel of three-phase mains.
In the embodiment of the present application, the first terminals a1 of line bank 11 is connected panel 12 with first the first terminals b1 by the first circuit breaker 13 is connected, and forms the first civil power input channel of uninterrupted power supply;
The first civil power input channel can be the first-phase live wire input channel of three-phase mains.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, be applicable to three and enter the uninterrupted power supply electric power system singly going out.
The structural representation of the another kind of uninterruptible power system that the embodiment of the present application provides as shown in Figure 5, in embodiment illustrated in fig. 5, uninterrupted power supply is three to enter singly to go out uninterrupted power supply (for three-phase input uninterrupted power supply), preferably, on basis embodiment illustrated in fig. 2, described line bank 11 can also comprise: the 6th terminals a6 and the 7th terminals a7;
The 6th terminals a6 of line bank 11 is connected panel 12 with first the 6th terminals b6 by the 4th circuit breaker 16 is connected, the 3rd civil power input channel that forms uninterrupted power supply, the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
The 3rd civil power input channel can be the second-phase live wire input channel of three-phase mains.
The 7th terminals a7 of line bank 11 is connected panel 12 with first the 7th terminals b7 by the 5th circuit breaker 17 is connected, the 4th civil power input channel that forms uninterrupted power supply, the 7th terminals of described line bank are also for being connected with the 4th output of civil power.
The 4th civil power input channel can be the third phase live wire input channel of three-phase mains.
In the time that described first connects panel and described second and is connected panel and is connected, described the first connection the 6th terminals of panel and the 3rd mains electricity input end of described uninterrupted power supply are connected, and described the first connection the 7th terminals of panel and the 4th mains electricity input end of described uninterrupted power supply are connected.
In the embodiment of the present application, the first terminals a1 of line bank 11 is connected panel 12 with first the first terminals b1 by the first circuit breaker 13 is connected, and forms the first civil power input channel of uninterrupted power supply;
The first civil power input channel can be the first-phase live wire input channel of three-phase mains.
In the embodiment of the present application, in uninterrupted power supply maintenance bypass device, be provided with four civil power input channels, comprise three live wire input channels and a zero line input channel, be applicable to three and enter the uninterrupted power supply electric power system singly going out.
In above-described embodiment, preferred, for ease of operation, the first switching circuit that the first circuit breaker 13 is three-pole breaker, the second switch circuit that the 4th circuit breaker 16 is described three-pole breaker, the 3rd switching circuit that the 5th circuit breaker 17 is described three-pole breaker.
That is to say, in the embodiment of the present application, the function of the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 can realize by a three-pole breaker, replaces described the first circuit breaker 13, the 4th circuit breaker 16 and the 5th circuit breaker 17 with a three-pole breaker.
In above-described embodiment, preferred, the first switching circuit that the second circuit breaker 14 is double-pole cut-out, the second switch circuit that the 3rd circuit breaker 15 is described double-pole cut-out.
That is to say, in the embodiment of the present application, the function of the second circuit breaker 13 and the 3rd circuit breaker 15 can realize by a double-pole cut-out, replaces described the second circuit breaker 13 and the 3rd circuit breaker 15 for a double-pole cut-out.
In above-described embodiment, preferably, the hot-swappable connector that the embodiment of the present application provides can connect device for aviation company, and aviation connector aims at modular power source design, adopt advanced one sheet hyperboloid formula wire spring socket or hat spring socket as contact, there is high dynamic Contact reliability.Hat spring socket has level and smooth arc contact surface, plugs softly, ensures Maximum Contact face simultaneously, and contact resistance is low, and temperature rise is little, and shock resistance is high.Wherein, first of aviation connector connects panel is connected panel a kind of structural representation with second as shown in Figure 6, and the first connection panel P1 of described aviation connector is aviation connector female end, is provided with some jacks on it, as be preced with spring socket, can prevent that finger from getting an electric shock.It is aviation connector male head that second of described aviation connector connects panel P2, is provided with some contact pins on it, and described contact pin and jack be corresponding setting one by one, contact pin insert a jack can good coupling, forms a sub-connector, support hot plug; In the embodiment of the present application, the rated current of selected aviation connector can be 75A.
Above-described embodiment, preferred, described uninterrupted power supply maintenance bypass device can also comprise:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
In above-described embodiment, preferred, described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described uninterrupted power supply, and removably connects with the cabinet of described uninterrupted power supply, conveniently in the cabinet of uninterrupted power supply, extracts described maintenance bypass device.
The uninterrupted power supply maintenance bypass device that application embodiment provides takes up room little, can be integrated on the cabinet of uninterrupted power supply, the overall structure schematic diagram of the uninterrupted power supply that is integrated with uninterrupted power supply maintenance bypass device that as shown in Figure 8, Fig. 8 provides for the embodiment of the present application;
On the cabinet of uninterrupted power supply, be provided with second of hot-swappable connector and connect panel.Uninterrupted power supply maintenance bypass device is put into uninterrupted power supply cabinet inside and uninterrupted power supply combines together, thereby need not take the space of described uninterrupted power supply cabinet place frame, and uninterrupted power supply maintenance bypass cabinet of the prior art need to additionally take rack space, therefore the uninterrupted power supply maintenance bypass device that, the embodiment of the present application provides can also be saved rack space.
In the embodiment of the present application, uninterrupted power supply is as follows to the handoff procedure of maintenance bypass state by inversion operating conditions:
Press the closing key of uninterrupted power supply, or carry out the setting of manual bypass pattern, allow uninterrupted power supply enter internal by-pass state by inversion operating conditions;
In internal by-pass state, stiff end 1 and the normal-closed end 3 of relay are connected; If ups power is single-phase input uninterrupted power supply, the first circuit breaker 13 closures, the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect; If ups power is three-phase input uninterrupted power supply,, the first circuit breaker 13 closures are (if also comprise the 4th circuit breaker 16 and the 5th circuit breaker 17,, the 4th circuit breaker 16 and the 5th circuit breaker 17 are also closed), the second circuit breaker 14 and the 3rd circuit breaker 15 disconnect;
Closed the second circuit breaker 14 and the 3rd circuit breaker 15, also comprise the 4th circuit breaker 16 and the 5th circuit breaker 17 if disconnect the first circuit breaker 13(, and, the 4th circuit breaker 16 and the 5th circuit breaker 17 also disconnect with the first circuit breaker 13 simultaneously);
Battery circuit breaker in the external cell cabinet of disconnection uninterrupted power supply, and extract the battery connector in uninterrupted power supply;
Extract uninterrupted power supply maintenance bypass device, now uninterrupted power supply maintenance bypass device and uninterrupted power supply electrical connection disconnects, the complete power down of uninterrupted power supply.
Realize separating of charged uninterrupted power supply maintenance bypass device and uncharged uninterrupted power supply, uninterrupted power supply is left standstill to 10 minutes, after the electric charge of uninterrupted power supply internal capacitance storage releases, just uninterrupted power supply can be disassembled and safeguarded from frame.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (12)

1. a uninterrupted power supply maintenance bypass device, it is characterized in that, described uninterrupted power supply maintenance bypass device is connected by hot-swappable connector with described uninterrupted power supply, described hot-swappable connector comprises that first of hot-swappable connection connects panel and is connected panel with second, and described second connects panel is connected with the mains electricity input end of described uninterrupted power supply and the output of described uninterrupted power supply; Described uninterrupted power supply maintenance bypass device comprises: line bank is connected panel with described first; Wherein,
The first terminals of described line bank are connected with the described first the first terminals that are connected panel by the first circuit breaker, form the first civil power input channel of described uninterrupted power supply, the first terminals of described line bank are also for being connected with the first output of civil power;
The second terminals of described line bank are connected with the described first the second terminals that are connected panel, form the second civil power input channel of described uninterrupted power supply, and the second terminals of described line bank are also for being connected with the second output of civil power;
The 3rd terminals of described line bank are connected panel the 3rd terminals with described first are connected, and form the first output channel of described uninterrupted power supply, and the 3rd terminals of described line bank are also for being connected with the first input end of load;
The 4th terminals of described line bank are connected panel the 4th terminals with described first are connected, and form the second output channel of described uninterrupted power supply, and the 4th terminals of described line bank are also for being connected with the second input of load;
The first terminals of described line bank are connected panel with described first the 3rd terminals by the second circuit breaker are connected;
The second terminals of described line bank are connected panel with described first the 4th terminals by the 3rd circuit breaker are connected.
2. uninterrupted power supply maintenance bypass device according to claim 1, it is characterized in that, described uninterrupted power supply is single-phase input uninterrupted power supply, the first terminals of described line bank are for being connected with the live wire output of civil power, and the second terminals of described line bank are for being connected with the zero line output of civil power.
3. uninterrupted power supply maintenance bypass device according to claim 1, is characterized in that, described uninterrupted power supply is three-phase input uninterrupted power supply, and described line bank also comprises: the 6th terminals and the 7th terminals;
The 6th terminals of described line bank are connected panel the 6th terminals with described first are connected, and form the 3rd civil power input channel of described uninterrupted power supply, and the 6th terminals of described line bank are also for being connected with the 3rd output of civil power;
The 7th terminals of described line bank are connected panel the 7th terminals with described first are connected, and form the 4th civil power input channel of described uninterrupted power supply, and the 7th terminals of described line bank are also for being connected with the 4th output of civil power;
The first terminals of described line bank are for being connected with the first live wire output of civil power, the second terminals of described line bank are for being connected with the zero line output of civil power, the 6th terminals of described line bank are for being connected with the second live wire output of civil power, and the 7th terminals of described line bank are for being connected with the 3rd live wire output of civil power.
4. uninterrupted power supply maintenance bypass device according to claim 3, is characterized in that,
The 6th terminals of described line bank are connected panel with described first the 6th terminals by the 4th circuit breaker are connected;
The 7th terminals of described line bank are connected panel with described first the 7th terminals by the 5th circuit breaker are connected.
5. uninterrupted power supply maintenance bypass device according to claim 4, it is characterized in that, the first switching circuit that described the first circuit breaker is three-pole breaker, the second switch circuit that described the 4th circuit breaker is described three-pole breaker, the 3rd switching circuit that described the 5th circuit breaker is described three-pole breaker.
6. uninterrupted power supply maintenance bypass device according to claim 1, it is characterized in that, described the first circuit breaker is single-pole circuit breaker, the first switching circuit that described the second circuit breaker is double-pole cut-out, the second switch circuit that described the 3rd circuit breaker is described double-pole cut-out.
7. uninterrupted power supply maintenance bypass device according to claim 1, it is characterized in that, described hot-swappable connector is aviation connector, on the first connection panel of described hot-swappable connector, be provided with some jacks, described can plug-in connector second connect on panel and be provided with some contact pins, or, on the first connection panel of described hot-swappable connector, be provided with some contact pins, described can plug-in connector second connect on panel and be provided with some holes, described contact pin and jack be corresponding setting one by one.
8. according to the uninterrupted power supply maintenance bypass device described in claim 1-7 any one, it is characterized in that, also comprise:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing.
9. a uninterruptible power system, is characterized in that, comprising: single-phase input uninterrupted power supply and the uninterrupted power supply maintenance bypass device as described in claim 1,2,6,7 any one.
10. uninterruptible power system according to claim 9, it is characterized in that, described uninterrupted power supply maintenance bypass device also comprises: package casing, and described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described single-phase input uninterrupted power supply, and removably connects with the cabinet of described single-phase input uninterrupted power supply.
11. 1 kinds of uninterruptible power systems, is characterized in that, comprising: three-phase input uninterrupted power supply and the uninterrupted power supply maintenance bypass device as described in claim 1,3,4,5,6,7 any one.
12. uninterruptible power systems according to claim 11, is characterized in that, described uninterrupted power supply maintenance bypass device also comprises:
Package casing, described line bank, first connects panel, each circuit breaker and the line between them and is all encapsulated in described package casing;
Described uninterrupted power supply maintenance bypass device is positioned in the cabinet of described three-phase input uninterrupted power supply, and removably connects with the cabinet of described three-phase input uninterrupted power supply.
CN201410127233.8A 2014-03-31 2014-03-31 Uninterrupted power supply maintenance bypass device and uninterruptible power system Active CN103915886B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109443669A (en) * 2018-09-30 2019-03-08 深圳市英威腾电源有限公司 A kind of leakage detection method and device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201616703U (en) * 2009-08-28 2010-10-27 李勋 High-voltage frequency converter control power supply circuit uninterruptible power supplying device
CN102769334A (en) * 2012-07-13 2012-11-07 深圳供电局有限公司 Spare power automatic switching device for no-slot joint during bypass operation
CN102893491A (en) * 2010-05-13 2013-01-23 伊顿公司 Uniterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source
US20130154377A1 (en) * 2011-12-19 2013-06-20 Nec Corporation Uninterruptible power system, method of controlling power supply, and recording medium having power supply control program stored therein

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201616703U (en) * 2009-08-28 2010-10-27 李勋 High-voltage frequency converter control power supply circuit uninterruptible power supplying device
CN102893491A (en) * 2010-05-13 2013-01-23 伊顿公司 Uniterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source
US20130154377A1 (en) * 2011-12-19 2013-06-20 Nec Corporation Uninterruptible power system, method of controlling power supply, and recording medium having power supply control program stored therein
CN102769334A (en) * 2012-07-13 2012-11-07 深圳供电局有限公司 Spare power automatic switching device for no-slot joint during bypass operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109443669A (en) * 2018-09-30 2019-03-08 深圳市英威腾电源有限公司 A kind of leakage detection method and device

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