CN217882962U - Power supply apparatus and power supply system - Google Patents

Power supply apparatus and power supply system Download PDF

Info

Publication number
CN217882962U
CN217882962U CN202221571687.0U CN202221571687U CN217882962U CN 217882962 U CN217882962 U CN 217882962U CN 202221571687 U CN202221571687 U CN 202221571687U CN 217882962 U CN217882962 U CN 217882962U
Authority
CN
China
Prior art keywords
circuit breaker
voltage
power supply
distribution cabinet
supply device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221571687.0U
Other languages
Chinese (zh)
Inventor
李莺
吕行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Baidu Netcom Science and Technology Co Ltd
Original Assignee
Beijing Baidu Netcom Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Baidu Netcom Science and Technology Co Ltd filed Critical Beijing Baidu Netcom Science and Technology Co Ltd
Priority to CN202221571687.0U priority Critical patent/CN217882962U/en
Application granted granted Critical
Publication of CN217882962U publication Critical patent/CN217882962U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Stand-By Power Supply Arrangements (AREA)

Abstract

The disclosure provides a power supply device and a power supply system, and relates to the technical field of power supply. One embodiment of the power supply apparatus includes: the power supply comprises a first commercial power supply device, a second commercial power supply device, a plurality of diesel power generation source devices and a plurality of voltage transformation devices; the input end of each voltage transformation device is connected with the output end of the first commercial power supply device, the output end of the second commercial power supply device and the output end of at least one of the diesel power generation source devices; and at least one of the plurality of power supply devices connected with each voltage transformation device is used for outputting high-voltage current to the voltage transformation device, and the voltage transformation device is used for converting the input high-voltage current into low-voltage current for supplying power. The power supply device improves power supply reliability.

Description

Power supply apparatus and power supply system
Technical Field
The utility model relates to a power supply technology field, concretely relates to power supply unit and power supply system.
Background
At present when supplying power to data center, all distribute a plurality of high voltage distribution cabinets with commercial power and diesel generator's electricity generation through the generating line, nevertheless break down when at least one power in commercial power and the diesel generator, cause a plurality of high voltage distribution cabinets can not normally work easily, and the power supply reliability is poor.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a power supply device and a power supply system.
In a first aspect, an embodiment of the present disclosure provides a power supply device, including: the system comprises a first commercial power supply device, a second commercial power supply device, a plurality of diesel power generation source devices and a plurality of transformation devices, wherein the input end of each transformation device is connected with the output end of the first commercial power supply device, the output end of the second commercial power supply device and the output end of at least one of the diesel power generation source devices; and at least one of the plurality of power supply devices connected with each voltage transformation device is used for outputting high-voltage current to the voltage transformation device, and the voltage transformation device is used for converting the input high-voltage current into low-voltage current for supplying power.
In a second aspect, an embodiment of the present disclosure provides a power supply system, including: the system comprises a first mains supply device, a second mains supply device, a plurality of diesel power generation source devices, a plurality of voltage transformation devices and a processor, wherein the input end of each voltage transformation device is connected with the output end of the first mains supply device, the output end of the second mains supply device and the output end of at least one of the diesel power generation source devices; the processor is used for acquiring the voltage of the high-voltage current output by the first commercial power supply device, the second commercial power supply device and the plurality of diesel power generation source devices, and controlling at least one of the plurality of power supply devices connected with each voltage transformation device to output the high-voltage current to the voltage transformation device based on the voltage; the voltage transformation device is used for converting input high-voltage current into low-voltage current for supplying power.
The power supply equipment provided by the embodiment of the disclosure improves the power supply reliability.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present disclosure, nor do they limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:
fig. 1 is a schematic structural diagram of a power supply apparatus of the present disclosure;
fig. 2 is another schematic structural diagram of the power supply apparatus of the present disclosure;
FIG. 3 is yet another schematic structural diagram of the power unit of the present disclosure;
fig. 4 is a schematic structural diagram of a control panel of the power supply apparatus of the present disclosure;
fig. 5 is another schematic structural diagram of the control panel of the power supply apparatus of the present disclosure;
fig. 6 is a schematic structural diagram of a power supply system for implementing an embodiment of the present disclosure.
Detailed Description
Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Referring to fig. 1, fig. 1 shows a schematic structural diagram of a power supply apparatus of the present invention, and as shown in fig. 1, the power supply apparatus 100 includes: the power supply system comprises a first mains supply device 101, a second mains supply device 102, a plurality of diesel power generation source devices and a plurality of voltage transformation devices, wherein the number of the diesel power generation source devices and the number of the voltage transformation devices are the same and can be any positive integer, and for example, the power supply equipment 100 can comprise the diesel power generation source devices 103 and 104 and the voltage transformation devices 105 and 106.
The input end of each voltage transformation device is connected with the output end of the first mains supply device, the output end of the second mains supply device and the output end of at least one of the diesel power generation source devices. Specifically, the connection relationship of each voltage transformation device is the same, and the voltage transformation device 105 is taken as an example for detailed description.
The input end 1051 of the transformer device 105 may be connected to the output end 1011 of the first commercial power supply device 101, the output end 1021 of the second commercial power supply device 102, and the output end 1031 of the diesel power generation source device 103, may also be connected to the output end 1011 of the first commercial power supply device 101, the output end 1021 of the second commercial power supply device 102, and the output end 1041 of the diesel power generation source device 104, and may also be connected to the output end 1011 of the first commercial power supply device 101, the output end 1021 of the second commercial power supply device 102, the output end 1031 of the diesel power generation source device 103, and the output end 1041 of the diesel power generation source device 104, which is not limited in this disclosure.
At least one of the plurality of power supply devices connected to each of the transforming devices is used to output a high voltage current to the transforming device, and specifically, the transforming device 105 is taken as an example for detailed description. The first commercial power supply device 101, the second commercial power supply device 102, and the diesel power generation source device 103 connected to the transformation device 105 are configured to output a high-voltage current to the transformation device 105, or the first commercial power supply device 101, the second commercial power supply device 102, and the diesel power generation source device 104 connected to the transformation device 105 are configured to output a high-voltage current to the transformation device 105, or the first commercial power supply device 101, the second commercial power supply device 102, and the diesel power generation source device 103, 104 connected to the transformation device 105 are configured to output a high-voltage current to the transformation device 105, or any one or two of the first commercial power supply device 101, the second commercial power supply device 102, and the diesel power generation source device 103, 104 connected to the transformation device 105 are configured to output a high-voltage current to the transformation device 105, which the present disclosure does not limit. The first commercial power supply device 101, the second commercial power supply device 102, and the diesel power generation source devices 103 and 104 all have high-voltage currents, and the high-voltage currents are currents with voltages larger than 35 kv and smaller than 220 kv.
The transformer device is used for converting an input high-voltage current into a low-voltage current for supplying power, and specifically, taking the transformer device 105 as an example, the transformer device 105 can receive the input high-voltage current and then convert the high-voltage current into the low-voltage current for supplying power to at least one power-using device. Wherein the low-voltage current is a current with a voltage of less than 1 kilovolt.
With further reference to fig. 2, fig. 2 shows another schematic structural diagram of the power supply apparatus of the present invention, and the power supply apparatus 200 includes: a first mains supply device 201, a second mains supply device 202, a plurality of diesel power generation source devices and a plurality of voltage transformation devices, wherein the number of diesel power generation source devices and voltage transformation devices is the same and may be any positive integer, and for example, the power supply apparatus 200 may comprise diesel power generation source devices 203, 204 and voltage transformation devices 205, 206. Wherein, the voltage transformation devices 205, 206 both include: the high voltage distribution cabinet, the transformer, the low voltage distribution cabinet, the first circuit breaker, the second circuit breaker and the third circuit breaker are the same in structure and connection relation, and the transformer device 205 is taken as an example for detailed description.
The voltage transforming device 205 includes: the high-voltage power distribution cabinet 2051, the transformer 2052, the low-voltage power distribution cabinet 2053, the first circuit breaker 2054, the second circuit breaker 2055, and the third circuit breaker 2056, an input end 20511 of the high-voltage power distribution cabinet 2051 is connected to a first end 20541 of the first circuit breaker 2054, a first end 20551 of the second circuit breaker 2055, and a first end 20561 of the third circuit breaker 2056, an output end 2011 of the first commercial power supply device 201 is connected to a second end 20542 of the first circuit breaker 2054, an output end 2021 of the second commercial power supply device 202 is connected to a second end 20552 of the second circuit breaker 2055, an output end 2031 of the diesel power generation source device 203 is connected to a second end 20562 of the third circuit breaker 2056, an output end 2041 of the diesel power generation source device 204 is connected to a second end 20562 of the third circuit breaker 2056, or output ends 2031, 2041 of the diesel power generation source devices 2053, 204 are both connected to a second end 20562 of the third circuit breaker 2056, which is not limited by this disclosure.
The first circuit breaker 2054, the second circuit breaker 2055, and the third circuit breaker 2056 are configured to control the first commercial power supply device 201, the second commercial power supply device 202, and the diesel power generation source device 203 to output a high-voltage current to the high-voltage power distribution cabinet 2051, and also control the first commercial power supply device 201, the second commercial power supply device 202, and the diesel power generation source device 204 to output a high-voltage current to the high-voltage power distribution cabinet 2051, and also control the first commercial power supply device 201, the second commercial power supply device 202, the diesel power generation source device 203, and the diesel power generation source device 204 to output a high-voltage current to the high-voltage power distribution cabinet 2051. Specifically, high-voltage current can be output by controlling the on/off of the first circuit breaker 2054, the second circuit breaker 2055 and the third circuit breaker 2056, when any one of the first circuit breaker 2054, the second circuit breaker 2055 and the third circuit breaker 2056 is switched on, two devices connected with the circuit breaker can be electrically connected to carry out current delivery, and when any one circuit breaker is switched off, two devices connected with the circuit breaker cannot be electrically connected to carry out current delivery.
An output terminal 20512 of the high voltage distribution cabinet 2051 is connected to an input terminal 20521 of the transformer 2052, and is configured to deliver the received high voltage current to the transformer 2052 through the output terminal 20512 and the input terminal 20521.
An output end 20522 of the transformer 2052 is connected to an input end 20531 of the low-voltage power distribution cabinet 2053, and is configured to convert the received high-voltage current into a low-voltage current, and to deliver the low-voltage current to the low-voltage power distribution cabinet 2053 for power supply through the output end 20522 and the input end 20531.
In some optional implementations of the present embodiment, the power supply apparatus 200 further includes: a first busbar 207, a second busbar 208, a fourth circuit breaker 209, a fifth circuit breaker 210 and a sixth circuit breaker 211.
The output 2011 of the first mains device 201 is connected to the first terminal 2091 of the fourth breaker 209, the input 2071 of the first bus 207 is connected to the second terminal 2092 of the fourth breaker 209, and the first output 2072 of the first bus 207 is connected to the second terminal 20542 of the first breaker 2054. The output 2021 of the second mains supply device 202 is connected to the first end 2101 of the fifth circuit breaker 210, the input 2081 of the second bus bar 208 is connected to the second end 2101 of the fifth circuit breaker 210, and the first output 2082 of the second bus bar 208 is connected to the second end 20552 of the second circuit breaker 2055. The second output port 2073 of the first busbar 207 is connected to the first port 2111 of the sixth circuit breaker 211, and the second output port 2083 of the second busbar 208 is connected to the second port 2112 of the sixth circuit breaker 211.
The first bus bar 207 is configured to receive the high-voltage current input by the first mains device 201 through the first end 2091 and the input end 2071, and distribute the high-voltage current to the plurality of high-voltage power distribution cabinets. The second bus 208 is configured to receive the high-voltage current input by the second commercial power supply device 202 through the first end 2101 and the input end 2081, and distribute the high-voltage current to the plurality of high-voltage power distribution cabinets. The first bus bar 207 and the second bus bar 208 respectively distribute the received high-voltage current to a plurality of high-voltage power distribution cabinets in an average manner.
A fourth 209, a fifth 210 and a sixth 211 circuit breaker for controlling the first 201 and the second 202 mains supply device to deliver high voltage current to the first 207 and the second 208 bus bar. Specifically, the high-voltage current can be controlled to be supplied by on-off control of the fourth circuit breaker 209, the fifth circuit breaker 210 and the sixth circuit breaker 211, when the fourth circuit breaker 209 is turned on, the first mains power device 201 can be controlled to supply the high-voltage current to the first bus 207, when the fifth circuit breaker 210 is turned on, the second mains power device 202 can be controlled to supply the high-voltage current to the second bus 208, when the first mains power device 201 and the second mains power device 202 both work normally, the sixth circuit breaker 211 is turned off, the first mains power device 201 and the second mains power device 202 both can supply the high-voltage current to the first bus 207 and the second bus 208, and when any one of the first mains power device 201 and the second mains power device 202 works abnormally, the sixth circuit breaker 211 is turned on, and the mains power device which works normally supplies the high-voltage current to the first bus 207 and the second bus 208.
With further reference to fig. 3, fig. 3 shows a further schematic structural diagram of the power supply apparatus of the present invention, and the power supply apparatus 300 includes: a first mains supply device 301, a second mains supply device 302, a plurality of diesel power generation source devices and a plurality of voltage transformation devices, wherein the number of diesel power generation source devices and voltage transformation devices is the same, and may be any positive integer, and for example, the power supply apparatus 300 may include diesel power generation source devices 303, 304 and voltage transformation devices 305, 306, wherein the voltage transformation devices 305, 306 each include: high-voltage distribution cabinet, transformer, low-voltage distribution cabinet, first circuit breaker, second circuit breaker, third circuit breaker, tenth circuit breaker and eleventh circuit breaker. The power supply apparatus 300 further includes: the spare high-voltage distribution cabinet 312, the spare transformer 313, the seventh breaker 314, the eighth breaker 315, and the ninth breaker 316 are the same in structure and connection relationship, and the transformer device 305 is taken as an example to be described in detail below.
The voltage transformation device 305 includes: high-voltage distribution cabinet 3051, transformer 3052, low-voltage distribution cabinet 3053, first circuit breaker 3054, second circuit breaker 3055, third circuit breaker 3056, tenth circuit breaker 3057 and eleventh circuit breaker 3058. The input terminal 3121 of the standby high-voltage distribution cabinet 312 is connected to the first terminal 3141 of the seventh circuit breaker 314, the first terminal 3151 of the eighth circuit breaker 315, and the first terminal 3161 of the ninth circuit breaker 316, the first output terminal 3072 of the first bus 307 is connected to the second terminal 3142 of the seventh circuit breaker 314, the first output terminal 3082 of the second bus 308 is connected to the second terminal 3152 of the eighth circuit breaker 315, the output terminal 3171 of the diesel power generation source device 317 is connected to the second terminal 3162 of the ninth circuit breaker 316, the output terminal 3031 of the diesel power generation source device 303 may be connected to the second terminal 3162 of the ninth circuit breaker 316, the output terminal 3041 of the diesel power generation source device 304 may be connected to the second terminal 3162 of the ninth circuit breaker 316, and the output terminals of any two or three of the diesel power generation source devices 303, 304, 317 may be connected to the second terminal 3162 of the ninth circuit breaker 316.
The seventh circuit breaker 314, the eighth circuit breaker 315 and the ninth circuit breaker 316 are configured to control at least one of the first mains supply device 301, the second mains supply device 302 and the diesel power generation source device connected to the second end 3162 of the ninth circuit breaker 316, and output a high-voltage current to the standby high-voltage power distribution cabinet 312. Specifically, the high-voltage current output to the standby high-voltage distribution cabinet 312 can be controlled by controlling the on/off of the seventh breaker 314, the eighth breaker 315, and the ninth breaker 316. Any one of the seventh circuit breaker 314, the eighth circuit breaker 315 and the ninth circuit breaker 316 can be switched on to switch off other circuit breakers, any two of the seventh circuit breaker 314, the eighth circuit breaker 315 and the ninth circuit breaker 316 can be switched on to switch off other circuit breakers, all the seventh circuit breaker 314, the eighth circuit breaker 315 and the ninth circuit breaker 316 can be switched on, and a power supply device connected with the switched-on circuit breaker outputs high-voltage current to the standby high-voltage power distribution cabinet 312.
The output terminal 3122 of the standby high-voltage distribution cabinet 312 is connected to the input terminal 3131 of the standby transformer 313, and is configured to transmit the high-voltage current received by the standby high-voltage distribution cabinet 312 to the standby transformer 313 through the output terminal 3122 and the input terminal 3131, so that the standby transformer 313 converts the high-voltage current into a low-voltage current and transmits the low-voltage current to the low-voltage distribution cabinet 3053.
An output end 3132 of the standby transformer 313 is connected to a first end 30571 of the tenth breaker 3057, an input end 30531 of the low-voltage distribution cabinet 3053 is connected to a second end 30572 of the tenth breaker 3057, an output end 30522 of the transformer 3052 is connected to a first end 30581 of the eleventh breaker 3058, and an input end 30531 of the low-voltage distribution cabinet 3053 is connected to a second end 30582 of the eleventh breaker 3058.
Tenth breaker 3057 and eleventh breaker 3058 are for controlling switching transformer 3052 or standby transformer 313 to deliver low-voltage current to low-voltage distribution cabinet 3053, illustratively, breaking tenth breaker 3057, connecting eleventh breaker 3058, for controlling transformer 3052 to deliver low-voltage current to low-voltage distribution cabinet 3053, connecting tenth breaker 3057, breaking eleventh breaker 3058, for controlling standby transformer 313 to deliver low-voltage current to low-voltage distribution cabinet 3053.
In some optional implementations of this embodiment, each circuit breaker includes a control panel for controlling on/off of the circuit breaker, and the structure of the control panel refers to fig. 4 and 5.
In some optional implementations of this embodiment, the first circuit breaker 3054, the second circuit breaker 3055, the third circuit breaker 3056, the fourth circuit breaker 309, the fifth circuit breaker 310, and the eleventh circuit breaker 3058 are in communication by default; the sixth breaker 311, the seventh breaker 314, the eighth breaker 315, the ninth breaker 316, and the tenth breaker 3057 are open by default. That is, the first commercial power supply device 301 and the second commercial power supply device 302 both work normally by default, the first commercial power supply device 301, the second commercial power supply device 302 and the diesel power generation source device output high-voltage current to the high-voltage power distribution cabinet 3051, and the transformer 3052 transmits low-voltage current to the low-voltage power distribution cabinet 3053.
With further reference to fig. 4, fig. 4 is a schematic structural diagram of a control panel of the power supply apparatus of the present disclosure, wherein each of the first breaker 3054, the second breaker 3055, the third breaker 3056, the fourth breaker 309, the fifth breaker 310, the sixth breaker 311 and the eleventh breaker 3058 in fig. 3 corresponds to a breaker cabinet, and each breaker cabinet is provided with a control panel for controlling the on/off of the breaker in the breaker cabinet.
As can be seen from fig. 4, one control panel 400 includes: the automatic circuit breaker switching device comprises a local/remote knob 401, a switching-off and switching-on knob 402, a mechanical lock 403, a parallel switch knob 404, a spare power automatic switching knob 405, a circuit breaker switching-on and switching-off position indicator lamp 407, a circuit breaker switching-on and switching-off position indicator 408 and a circuit breaker position indicator lamp 406, wherein the local/remote knob 401 is used for controlling the corresponding automatic circuit breaker switching-on and switching-off when rotating rightwards, and the local/remote knob 401 is used for controlling the corresponding manual circuit breaker switching-on and switching-off when rotating leftwards; when the local/remote knob 401 is rotated leftwards, the opening and closing knob 402 is rotated rightwards to control the corresponding circuit breaker to be opened manually, and the opening and closing knob 402 is rotated leftwards to control the corresponding circuit breaker to be closed manually; when the opening and closing knob 402 is rotated left or right, the mechanical lock 403 may be rotated vertically to lock the operation of the opening and closing knob 402; when the parallel switch knob 404 rotates rightwards, the parallel switch knob is used for controlling and measuring the voltage of the bus corresponding to the breaker, and when the parallel switch knob 404 rotates leftwards, the parallel switch knob is used for controlling and measuring the voltage of the adjacent bus; when the spare power automatic switching knob 405 rotates rightwards, the spare power automatic switching knob is used for controlling the corresponding circuit breaker to listen to the instruction of the spare high-voltage power distribution cabinet, and when the spare power automatic switching knob 405 rotates leftwards, the spare power automatic switching knob is used for controlling the corresponding circuit breaker not to listen to the instruction of the spare high-voltage power distribution cabinet; when the breaker is closed, the breaker opening and closing position indicator lamp 407 horizontally lights up, when the breaker is opened, the breaker opening and closing position indicator lamp 407 vertically lights up, and meanwhile, the upper and lower positions of the breaker opening and closing position indicator 408 can be reached according to whether protection tripping, arc protection tripping, remote control closing/backup automatic switching closing and tripping are carried out; when the state of circuit breaker is looked over to needs manual work, the cabinet door of circuit breaker cabinet can be opened, shakes out the circuit breaker, and at this moment, circuit breaker position indication lamp 406 lights, when shaking into the circuit breaker cabinet with the circuit breaker, circuit breaker position indication lamp 406 extinguishes.
With further reference to fig. 5, fig. 5 is another structural schematic diagram of the control panel of the power supply apparatus of the present disclosure, wherein each of the seventh breaker 314, the eighth breaker 315, the ninth breaker 316 and the tenth breaker 3057 in fig. 3 corresponds to one breaker cabinet, and each breaker cabinet is provided with one control panel for controlling on/off of the breaker in the breaker cabinet.
As can be seen from fig. 5, one control panel 500 includes: the automatic switching system comprises a local/remote knob 501, a switching-on/off knob 502, a mechanical lock 503, a parallel switch knob 504, a spare power automatic switching knob 505, a circuit breaker switching-on/off position indicator light 507, a circuit breaker switching-on/off position indicator 508, a circuit breaker position indicator light 506, a voltage and current indicator 509, a spare power automatic switching operation indicator 510 and a humidity detector 511. The functions of the local/remote knob 501, the switching knob 502, the mechanical lock 503, the parallel switch knob 504, the spare power automatic switching knob 505, the circuit breaker switching position indicator light 507, the circuit breaker switching position indicator 508 and the circuit breaker position indicator light 506 are the same as the functions of the local/remote knob 401, the switching knob 402, the mechanical lock 403, the parallel switch knob 404, the spare power automatic switching knob 405, the circuit breaker switching position indicator light 407, the circuit breaker switching position indicator 408 and the circuit breaker position indicator light 406 in fig. 4, and the voltage and current indicator 509 is used for indicating voltage and current values; the spare power automatic switching operation indicator 510 is used for indicating spare power automatic switching operation indications of the seventh breaker 314, the eighth breaker 315, the ninth breaker 316 and the tenth breaker 3057; the humidity detector 511 is used for detecting the humidity in the breaker cabinet, and preventing the working state of the breaker from being influenced by the overlarge humidity.
With further reference to fig. 6, fig. 6 is a schematic structural diagram of a power supply system for implementing an embodiment of the present disclosure, and as shown in fig. 6, the power supply system 600 of the present embodiment includes: a power supply device 601 and a processor 602.
The power supply device 601 comprises a first mains supply device, a second mains supply device, a plurality of diesel power generation source devices and a plurality of voltage transformation devices, wherein the input end of each voltage transformation device is connected with the output end of the first mains supply device, the output end of the second mains supply device and the output end of at least one of the plurality of diesel power generation source devices. The processor 602 is configured to obtain voltages of high-voltage currents output by the first commercial power supply device, the second commercial power supply device, and the plurality of diesel power generation source devices, and control at least one of the plurality of power supply devices connected to each of the voltage transformation devices to output the high-voltage current to the voltage transformation device based on the voltages.
The processor 602 may be configured to obtain a voltage of a high-voltage current output by each of the mains supply devices and the diesel power generation source device, determine whether the voltage of the high-voltage current output by each of the mains supply devices and the diesel power generation source device exceeds a preset voltage of a voltage transformation device, control a power supply device that selects at least one of the first mains supply device, the second mains supply device, and the plurality of diesel power generation source devices and outputs the high-voltage current to the voltage transformation device, where the voltage of the high-voltage current output by the power supply device does not exceed the preset voltage of the voltage transformation device.
The voltage transformation device is used for converting the input high-voltage current into low-voltage current and transmitting the low-voltage current to electric equipment for power supply.
In some optional implementations of this embodiment, the voltage transformation device includes a high voltage distribution cabinet, a transformer, a low voltage distribution cabinet, a first circuit breaker, a second circuit breaker, and a third circuit breaker. The input end of the high-voltage power distribution cabinet is connected with the first end of the first circuit breaker, the first end of the second circuit breaker and the first end of the third circuit breaker, the output end of the first commercial power supply device is connected with the second end of the first circuit breaker, the output end of the second commercial power supply device is connected with the second end of the second circuit breaker, the output end of the at least one diesel power generation source device is connected with the second end of the third circuit breaker, the output end of the high-voltage power distribution cabinet is connected with the input end of the transformer, and the output end of the transformer is connected with the input end of the low-voltage power distribution cabinet.
The processor 602 is configured to control on/off of the first circuit breaker, the second circuit breaker, and the third circuit breaker, so that at least one of the first commercial power supply device, the second commercial power supply device, and the diesel power generation source device connected to the second end of the third circuit breaker outputs a high-voltage current to the high-voltage power distribution cabinet. Illustratively, the processor 602 is configured to control any one of the first circuit breaker, the second circuit breaker and the third circuit breaker, or any two of the first circuit breaker, the second circuit breaker and the third circuit breaker, or three of the first circuit breaker, the second circuit breaker and the third circuit breaker to be connected, and the other circuit breakers are disconnected, so that the power device connected to the connected circuit breaker outputs a high-voltage current to the high-voltage power distribution cabinet.
The high-voltage power distribution cabinet is used for transmitting the received high-voltage current to the transformer after receiving the high-voltage current, the transformer is used for converting the received high-voltage current into low-voltage current and transmitting the low-voltage current to the low-voltage power distribution cabinet, and the low-voltage power distribution cabinet is used for transmitting the low-voltage current to the electric equipment for supplying power.
In some optional implementations of this embodiment, the power supply system 600 further includes: the first circuit breaker is connected with the first bus; and the output end of the first commercial power supply device is connected with the first end of the fourth circuit breaker, the input end of the first bus is connected with the second end of the fourth circuit breaker, the first output end of the first bus is connected with the second end of the first circuit breaker, the output end of the second commercial power supply device is connected with the first end of the fifth circuit breaker, the input end of the second bus is connected with the second end of the fifth circuit breaker, the first output end of the second bus is connected with the second end of the second circuit breaker, the second output end of the first bus is connected with the first end of the sixth circuit breaker, and the second output end of the second bus is connected with the second end of the sixth circuit breaker.
The processor is used for responding to the abnormal working state of the first commercial power supply device, disconnecting the fourth circuit breaker and connecting the sixth circuit breaker, namely disconnecting the first commercial power supply device with the abnormal working state, so that the first commercial power supply device does not supply power to each high-voltage power distribution cabinet any more, and the second commercial power supply device with the normal working state supplies power to each high-voltage power distribution cabinet. And responding to the abnormal working state of the second commercial power supply device, disconnecting the fifth circuit breaker, connecting the sixth circuit breaker, namely disconnecting the second commercial power supply device with the abnormal working state, so that the second commercial power supply device does not supply power to each high-voltage power distribution cabinet any more, and the first commercial power supply device with the normal working state supplies power to each high-voltage power distribution cabinet. When the first commercial power supply device and the second commercial power supply device work normally, the first commercial power supply device and the second commercial power supply device provide half of electric energy for each high-voltage power distribution cabinet, when one commercial power supply device is disconnected, the electric energy provided by the other commercial power supply device for each high-voltage power distribution cabinet is doubled, so that the electric energy provided for each high-voltage power distribution cabinet is unchanged, and the stability of a power supply system is improved.
In some optional implementations of this embodiment, the power supply system 600 further includes: the transformer device comprises a standby high-voltage power distribution cabinet, a standby transformer, a seventh circuit breaker, an eighth circuit breaker and a ninth circuit breaker, wherein the transformer device also comprises a tenth circuit breaker and an eleventh circuit breaker; the input end of the standby high-voltage power distribution cabinet is connected with the first end of the seventh circuit breaker, the first end of the eighth circuit breaker and the first end of the ninth circuit breaker, the first output end of the first bus is connected with the second end of the seventh circuit breaker, the first output end of the second bus is connected with the second end of the eighth circuit breaker, the output end of the at least one diesel power generation source device is connected with the second end of the ninth circuit breaker, the output end of the standby high-voltage power distribution cabinet is connected with the input end of the standby transformer, the output end of the standby transformer is connected with the first end of the tenth circuit breaker, the input end of the low-voltage power distribution cabinet is connected with the second end of the tenth circuit breaker, the output end of the transformer is connected with the first end of the eleventh circuit breaker, and the input end of the low-voltage power distribution cabinet is connected with the second end of the eleventh circuit breaker.
The processor 602 is configured to respond to an abnormal operating state of one of the multiple high voltage power distribution cabinets, disconnect the first circuit breaker, the second circuit breaker, and the third circuit breaker connected to the high voltage power distribution cabinet with the abnormal operating state, so that the high voltage power distribution cabinet with the abnormal operating state no longer continues to operate in the power supply system 600, thereby avoiding affecting the reliability of power supply, connect the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker connected to the standby high voltage power distribution cabinet, connect the standby high voltage power distribution cabinet to the first mains supply device, the second mains supply device, and the at least one diesel power generation source device, deliver high voltage current to the standby high voltage power distribution cabinet, disconnect the eleventh circuit breaker connected to the transformer, connect the tenth circuit breaker connected to the standby transformer, switch the standby transformer to convert the high voltage current into low voltage current, and deliver the low voltage power distribution cabinet to the low voltage power distribution cabinet corresponding to the high voltage power distribution cabinet with the abnormal operating state, and thereby enabling the standby high voltage power distribution cabinet and the transformer to replace the high voltage power distribution cabinet with the abnormal operating state and the corresponding transformer to continue to operate.
The standby high-voltage power distribution cabinet is used for transmitting the received high-voltage current to the standby transformer, so that the standby transformer converts the high-voltage current into low-voltage current and transmits the low-voltage current to the low-voltage power distribution cabinet.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present disclosure may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired results of the technical solutions disclosed in the present disclosure can be achieved.
The above detailed description should not be construed as limiting the scope of the disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.

Claims (10)

1. A power supply apparatus includes a first commercial power supply device, a second commercial power supply device, a plurality of diesel power generation source devices, and a plurality of voltage transformation devices,
the input end of each voltage transformation device is connected with the output end of the first commercial power supply device, the output end of the second commercial power supply device and the output end of at least one of the diesel power generation source devices;
and at least one of the power supply devices connected with each transformation device is used for outputting high-voltage current to the transformation device, and the transformation device is used for converting the input high-voltage current into low-voltage current for supplying power.
2. The apparatus of claim 1, wherein the voltage transformation device comprises a high voltage distribution cabinet, a transformer, a low voltage distribution cabinet, a first circuit breaker, a second circuit breaker, and a third circuit breaker; and
the input end of the high-voltage power distribution cabinet is connected with the first end of the first circuit breaker, the first end of the second circuit breaker and the first end of the third circuit breaker, the output end of the first commercial power supply device is connected with the second end of the first circuit breaker, the output end of the second commercial power supply device is connected with the second end of the second circuit breaker, and the output end of at least one diesel power generation source device is connected with the second end of the third circuit breaker;
the first circuit breaker, the second circuit breaker and the third circuit breaker are used for controlling at least one of the first commercial power supply device, the second commercial power supply device and the diesel power generation source device connected with the second end of the third circuit breaker and outputting high-voltage current to the high-voltage power distribution cabinet;
the output end of the high-voltage power distribution cabinet is connected with the input end of the transformer and used for transmitting the received high-voltage current to the transformer;
the output end of the transformer is connected with the input end of the low-voltage power distribution cabinet and used for converting the high-voltage current into low-voltage current and transmitting the low-voltage current to the low-voltage power distribution cabinet for power supply.
3. The apparatus of claim 2, further comprising: the first bus, the second bus, the fourth breaker, the fifth breaker and the sixth breaker; and
the output end of the first commercial power supply device is connected with the first end of the fourth circuit breaker, the input end of the first bus is connected with the second end of the fourth circuit breaker, and the first output end of the first bus is connected with the second end of the first circuit breaker;
the output end of the second commercial power supply device is connected with the first end of the fifth circuit breaker, the input end of the second bus is connected with the second end of the fifth circuit breaker, and the first output end of the second bus is connected with the second end of the second circuit breaker;
the second output end of the first bus is connected with the first end of the sixth circuit breaker, and the second output end of the second bus is connected with the second end of the sixth circuit breaker;
the first bus and the second bus are used for receiving high-voltage current input by the first commercial power supply device and the second commercial power supply device and distributing the high-voltage current to the high-voltage power distribution cabinets, and the fourth circuit breaker, the fifth circuit breaker and the sixth circuit breaker are used for controlling the first commercial power supply device and the second commercial power supply device to convey the high-voltage current to the first bus and the second bus.
4. The apparatus of claim 3, further comprising: the transformer device comprises a standby high-voltage power distribution cabinet, a standby transformer, a seventh circuit breaker, an eighth circuit breaker and a ninth circuit breaker, wherein the transformer device also comprises a tenth circuit breaker and an eleventh circuit breaker; and
the input end of the standby high-voltage power distribution cabinet is connected with the first end of the seventh circuit breaker, the first end of the eighth circuit breaker and the first end of the ninth circuit breaker, the first output end of the first bus is connected with the second end of the seventh circuit breaker, the first output end of the second bus is connected with the second end of the eighth circuit breaker, and the output end of at least one diesel power generation source device is connected with the second end of the ninth circuit breaker, wherein the seventh circuit breaker, the eighth circuit breaker and the ninth circuit breaker are used for controlling at least one of the first commercial power source device, the second commercial power source device and the diesel power generation source device connected with the second end of the ninth circuit breaker to output high-voltage current to the standby high-voltage power distribution cabinet;
the output end of the standby high-voltage power distribution cabinet is connected with the input end of the standby transformer and used for transmitting the received high-voltage current to the standby transformer, so that the standby transformer converts the high-voltage current into low-voltage current and transmits the low-voltage current to the low-voltage power distribution cabinet;
the output of standby transformer is connected the first end of tenth circuit breaker, the input of low-voltage distribution cabinet is connected the second end of tenth circuit breaker, the output of transformer is connected the first end of eleventh circuit breaker, the input of low-voltage distribution cabinet is connected the second end of eleventh circuit breaker, wherein, the tenth circuit breaker with the eleventh circuit breaker is used for the control to switch the transformer or standby transformer to low-voltage distribution cabinet carries low-voltage current.
5. The apparatus of claim 4, wherein each circuit breaker comprises a control panel for controlling the switching of the circuit breaker; and
the control panel comprises a local/remote knob, a switching-on/off knob, a mechanical lock, a parallel switch knob, a spare power automatic switching knob, a circuit breaker switching-on/off position indicator lamp and a circuit breaker position indicator lamp;
the control panel corresponding to the standby high-voltage power distribution cabinet also comprises a standby self-operation indicator.
6. The apparatus of claim 5, wherein the first, second, third, fourth, fifth, and eleventh circuit breakers are in communication by default;
the sixth, seventh, eighth, ninth, and tenth circuit breakers are open by default.
7. A power supply system comprises a first commercial power supply device, a second commercial power supply device, a plurality of diesel power generation source devices, a plurality of voltage transformation devices and a processor, wherein,
the input end of each voltage transformation device is connected with the output end of the first commercial power supply device, the output end of the second commercial power supply device and the output end of at least one of the diesel power generation source devices;
the processor is used for acquiring the voltage of the high-voltage current output by the first commercial power supply device, the second commercial power supply device and the plurality of diesel power generation source devices, and controlling at least one of the plurality of power supply devices connected with each voltage transformation device to output the high-voltage current to the voltage transformation device based on the voltage;
the voltage transformation device is used for converting the input high-voltage current into low-voltage current for power supply.
8. The system of claim 7, wherein the voltage transformation device comprises a high voltage distribution cabinet, a transformer, a low voltage distribution cabinet, a first circuit breaker, a second circuit breaker, and a third circuit breaker; and
the input end of the high-voltage power distribution cabinet is connected with the first end of the first circuit breaker, the first end of the second circuit breaker and the first end of the third circuit breaker, the output end of the first commercial power supply device is connected with the second end of the first circuit breaker, the output end of the second commercial power supply device is connected with the second end of the second circuit breaker, the output end of at least one diesel power generation source device is connected with the second end of the third circuit breaker, the output end of the high-voltage power distribution cabinet is connected with the input end of the transformer, and the output end of the transformer is connected with the input end of the low-voltage power distribution cabinet;
the processor is used for controlling the on-off of the first circuit breaker, the second circuit breaker and the third circuit breaker so as to enable at least one of the first commercial power supply device, the second commercial power supply device and the diesel power generation source device connected with the second end of the third circuit breaker to output high-voltage current to the high-voltage power distribution cabinet;
the high-voltage power distribution cabinet is used for transmitting the received high-voltage current to the transformer, and the transformer is used for converting the high-voltage current into low-voltage current and transmitting the low-voltage current to the low-voltage power distribution cabinet for power supply.
9. The system of claim 8, further comprising: the first circuit breaker is connected with the first bus; and
the output end of the first commercial power supply device is connected with the first end of the fourth circuit breaker, the input end of the first bus is connected with the second end of the fourth circuit breaker, the first output end of the first bus is connected with the second end of the first circuit breaker, the output end of the second commercial power supply device is connected with the first end of the fifth circuit breaker, the input end of the second bus is connected with the second end of the fifth circuit breaker, the first output end of the second bus is connected with the second end of the second circuit breaker, the second output end of the first bus is connected with the first end of the sixth circuit breaker, and the second output end of the second bus is connected with the second end of the sixth circuit breaker;
the processor is used for responding to the abnormal working state of the first commercial power supply device, disconnecting the fourth circuit breaker and connecting the sixth circuit breaker; and in response to the abnormal working state of the second commercial power supply device, the fifth circuit breaker is disconnected, and the sixth circuit breaker is connected.
10. The system of claim 9, further comprising: the transformer device comprises a standby high-voltage power distribution cabinet, a standby transformer, a seventh circuit breaker, an eighth circuit breaker and a ninth circuit breaker, wherein the transformer device also comprises a tenth circuit breaker and an eleventh circuit breaker; and
the input end of the standby high-voltage power distribution cabinet is connected with the first end of the seventh circuit breaker, the first end of the eighth circuit breaker and the first end of the ninth circuit breaker, the first output end of the first bus is connected with the second end of the seventh circuit breaker, the first output end of the second bus is connected with the second end of the eighth circuit breaker, the output end of at least one diesel power generation source device is connected with the second end of the ninth circuit breaker, the output end of the standby high-voltage power distribution cabinet is connected with the input end of the standby transformer, the output end of the standby transformer is connected with the first end of the tenth circuit breaker, the input end of the low-voltage power distribution cabinet is connected with the second end of the tenth circuit breaker, the output end of the transformer is connected with the first end of the eleventh circuit breaker, and the input end of the low-voltage power distribution cabinet is connected with the second end of the eleventh circuit breaker;
the processor is used for responding to the abnormal working state of one of the high-voltage power distribution cabinets, disconnecting the first circuit breaker, the second circuit breaker and the third circuit breaker which are connected with the high-voltage power distribution cabinet with the abnormal working state, connecting the seventh circuit breaker, the eighth circuit breaker and the ninth circuit breaker which are connected with the standby high-voltage power distribution cabinet, disconnecting the eleventh circuit breaker which is connected with the transformer, and connecting the tenth circuit breaker which is connected with the standby transformer so as to switch the standby transformer to convey the low-voltage current to the low-voltage power distribution cabinet;
and the standby high-voltage power distribution cabinet is used for transmitting the received high-voltage current to the standby transformer so that the standby transformer converts the high-voltage current into low-voltage current and transmits the low-voltage current to the low-voltage power distribution cabinet.
CN202221571687.0U 2022-06-22 2022-06-22 Power supply apparatus and power supply system Active CN217882962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221571687.0U CN217882962U (en) 2022-06-22 2022-06-22 Power supply apparatus and power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221571687.0U CN217882962U (en) 2022-06-22 2022-06-22 Power supply apparatus and power supply system

Publications (1)

Publication Number Publication Date
CN217882962U true CN217882962U (en) 2022-11-22

Family

ID=84096527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221571687.0U Active CN217882962U (en) 2022-06-22 2022-06-22 Power supply apparatus and power supply system

Country Status (1)

Country Link
CN (1) CN217882962U (en)

Similar Documents

Publication Publication Date Title
CN101350535B (en) Uninterrupt power supply
JP6194262B2 (en) DC power supply device and power supply control method
CN219351353U (en) Synchronous system of 3/2 wiring circuit breaker of 500kV switching station
CN217882962U (en) Power supply apparatus and power supply system
CN110661295B (en) Inverter and photovoltaic power generation system
CN203277237U (en) Universal breaker
CN207518347U (en) The spare shunt tripping conversion equipment of orbit traffic direct current tractive power supply system
CN213185518U (en) Whole machine cabinet
CN210156741U (en) Power supply guarantee system of high-voltage switch cabinet
CN210724305U (en) Fault guiding safety device, power utilization safety system, multi-path power utilization safety system and automatic bus transfer interlocking control system
US6420850B1 (en) Telecommunication power distribution systems and apparatuses and methods of supplying power to a telecommunication device
CN104883122A (en) Distributed photovoltaic grid-connected intelligent protector with function of automatic switching-on after the existence of voltage is detected
CN214379295U (en) Switching station
CN219843454U (en) Power supply cabinet applied to process automation control system module
CN220107649U (en) Low-voltage switch cabinet capable of automatically switching three-way power inlet wires
CN205282369U (en) Intelligence vacuum circuit breaker
CN211405591U (en) Double-incoming-wire power supply circuit and double-incoming-wire power supply device
CN112164615B (en) Electric locking circuit of bus ground knife
CN219287137U (en) Power distribution control switch circuit and auxiliary power distribution circuit
CN108281966B (en) Dual-power standby power supply operation control system for public building residential distribution room
CN113726000B (en) Power supply device and power supply method thereof
CN216872916U (en) Safe power distribution device with no power failure of load
CN210867267U (en) Medium-voltage automatic change-over switch equipment
CN217956765U (en) Power supply system
CN218829112U (en) Power distribution system of large-scale data center high reliability power supply

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant