CN105207065A - Double-power-source high-voltage supply high-voltage metering and high-voltage supply low-voltage metering expandable no-repeat fixed metering equipment - Google Patents
Double-power-source high-voltage supply high-voltage metering and high-voltage supply low-voltage metering expandable no-repeat fixed metering equipment Download PDFInfo
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- CN105207065A CN105207065A CN201510667289.7A CN201510667289A CN105207065A CN 105207065 A CN105207065 A CN 105207065A CN 201510667289 A CN201510667289 A CN 201510667289A CN 105207065 A CN105207065 A CN 105207065A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Double-power-source high-voltage supply high-voltage metering and high-voltage supply low-voltage metering expandable no-repeat fixed metering equipment comprises a first power source power supply expandable no-repeat fixed metering equipment body, a second power source power supply expandable no-repeat fixed metering equipment body and a buscouple device. The first power source power supply expandable no-repeat fixed metering equipment body comprises at least one first high-voltage supply high-voltage metering expandable no-repeat metering module and at least one first high-voltage supply low-voltage metering expandable no-repeat metering module, and the second power source power supply expandable no-repeat fixed metering equipment body comprises at least one second high-voltage supply high-voltage metering expandable no-repeat metering module and at least one second high-voltage supply low-voltage metering expandable no-repeat metering module. According to the double-power-source high-voltage supply high-voltage metering and high-voltage supply low-voltage metering expandable no-repeat fixed metering equipment, two power sources are used for supplying power, it is ensured that when first power supply equipment or second power supply equipment becomes abnormal and needs to be powered off, the second power supply equipment or the first power supply equipment can serve as a backup power source to supply power, and thus trouble brought to users by power outage is saved.
Description
Technical field
The present invention relates to high voltage power transmission power-distribution electric energy field of measuring techniques, particularly relate to a kind of duplicate supply massive quantity power supply and measurement and do not repeat fixed measuring equipment with high for low meter easily extensible.
Background technology
Along with the development of national economy, the diversification of building using function, in same location, same power supply point powers, and has the buildings such as hotel, store, food and drink, house, and purposes is different, and the metering price of electricity price is different.
Current 12KV, 24KV, the fixed measuring equipment of 40.5KV is widely used in power transmission and distribution switchgear assembly, its high-voltage meter one road incoming power only establishes an independent metering device, as user needs according to zones of different, different purposes, different electricity price independently arranges measuring equipment, or different user is owing to needing independent measure when need for electricity or load nature of electricity consumed are distinguished larger, the user such as had needs to use massive quantity power supply and measurement metering power consumption, some users need to use height for low meter metering power consumption, and in the ever-increasing situation of electricity consumer, current domestic existing fixed measuring equipment cannot meet actual demand.
Summary of the invention
Be necessary to propose a kind of that can arrange for different user, segmentation extendible duplicate supply massive quantity power supply and measurement and high do not repeat fixed measuring equipment for low meter easily extensible.
A kind of duplicate supply massive quantity power supply and measurement and height do not repeat fixed measuring equipment for low meter easily extensible, comprise the first Power supply easily extensible and do not repeat fixed measuring equipment, second source easily extensible of powering does not repeat fixed measuring equipment, mother equipment, described first Power supply easily extensible does not repeat fixed measuring equipment and second source easily extensible of powering and does not repeat between fixed measuring equipment by mother equipment connection, described first Power supply easily extensible does not repeat fixed measuring equipment and comprises the first electric power incoming line unit, first horizontal main bus bar, first massive quantity power supply and measurement easily extensible does not repeat metering module, first height does not repeat metering module for low meter easily extensible, described first electric power incoming line unit is connected with the first horizontal main bus bar, described first horizontal main bus bar does not also repeat metering module and first and high do not repeat metering module for low meter easily extensible and be connected with the first massive quantity power supply and measurement easily extensible, described first massive quantity power supply and measurement easily extensible does not repeat metering module, first height does not repeat metering module for low meter easily extensible and is at least one, at least one first massive quantity power supply and measurement easily extensible described does not repeat metering module, at least one first height does not repeat metering module for low meter easily extensible and is all connected with horizontal main bus bar, described second source easily extensible of powering does not repeat fixed measuring equipment and comprises second source wire inlet unit, second horizontal main bus bar, second massive quantity power supply and measurement easily extensible does not repeat metering module, second height does not repeat metering module for low meter easily extensible, described second source wire inlet unit is connected with the second horizontal main bus bar, described second horizontal main bus bar does not also repeat metering module and second and high do not repeat metering module for low meter easily extensible and be connected with the second massive quantity power supply and measurement easily extensible, described second massive quantity power supply and measurement easily extensible does not repeat metering module, second height does not repeat metering module for low meter easily extensible and is at least one, at least one second massive quantity power supply and measurement easily extensible described does not repeat metering module, at least one second height does not repeat metering module for low meter easily extensible and is all connected with horizontal main bus bar, described mother equipment comprises and is connected on the 3rd circuit breaker on the 3rd horizontal main bus bar and the 3rd isolating switch, described first horizontal main bus bar is connected with the 3rd horizontal main bus bar respectively with the second horizontal bus.
Adopt above measuring equipment, in same location, same power supply point has hotel, store, food and drink, the building that the functions such as house are different, even if the purposes of user is different, the metering price of electricity price is also different, also can measure separately, such as power consumption is more than or equal to 315KVA transformer user and can be connected with the high-voltage terminal power supply unit that massive quantity power supply and measurement easily extensible does not repeat metering module, the low-temperature measurement unit that the user that power consumption is less than or equal to 250KVA transformer can not repeat metering module with height for low meter easily extensible is connected, and, the present invention uses dual power supply, ensure that when the first power supply unit or the second power supply unit occur that abnormal conditions need to have a power failure, second power supply unit or the first power supply unit can be powered as stand-by power supply, to avoid the trouble brought to user that has a power failure, so solve the problem that each user's property right unit independently measures at property right separation in same electric substation.
Accompanying drawing explanation
Fig. 1 is duplicate supply massive quantity power supply and measurement and the high functional block diagram not repeating fixed measuring equipment for low meter easily extensible.
Fig. 2 is duplicate supply massive quantity power supply and measurement and the high electric hookup not repeating fixed measuring equipment for low meter easily extensible.
In figure: the first Power supply easily extensible does not repeat fixed measuring equipment 1, first electric power incoming line unit 11, first inlet wire main bus bar 111, first isolating switch 112, primary voltage monitoring device 113, first circuit breaker 114, second isolating switch 115, first horizontal main bus bar 12, first massive quantity power supply and measurement easily extensible does not repeat metering module 13, high voltage bus branch 131, high pressure measurement unit 132, spacer assembly 1321, metering current mulual inductor 1322, metered voltage instrument transformer 1323, metering device 1324, high-voltage terminal power supply unit 133, outlet switch 1331, cable socket 1332, electrification display 1333, inspection earthing switch 1334, branch bar 134, first height does not repeat metering module 14 for low meter easily extensible, high voltage bus branch 141, high-voltage terminal unit 142, transformer 143, low-temperature measurement unit 144, metering current mulual inductor 1441, low-voltage metering mechanism 1442, busbar voltage monitoring means 15, second source easily extensible of powering does not repeat fixed measuring equipment 2, second source wire inlet unit 21, second inlet wire main bus bar 211, first isolating switch 212, primary voltage monitoring device 213, second circuit breaker 214, second isolating switch 215, second horizontal main bus bar 22, second massive quantity power supply and measurement easily extensible does not repeat metering module 23, high voltage bus branch 231, high pressure measurement unit 232, spacer assembly 2321, metering current mulual inductor 2322, metered voltage instrument transformer 2323, metering device 2324, high-voltage terminal power supply unit 233, outlet switch 2331, cable socket 2332, electrification display 2333, inspection earthing switch 2334, branch bar 234, second height does not repeat metering module 24 for low meter easily extensible, high voltage bus branch 241, high-voltage terminal unit 242, transformer 243, low-temperature measurement unit 244, metering current mulual inductor 2441, low-voltage metering mechanism 2442, busbar voltage monitoring means 25, mother equipment 3, 3rd horizontal main bus bar 31, 3rd circuit breaker 32, 3rd isolating switch 33.
Embodiment
See Fig. 1, Fig. 2, duplicate supply massive quantity power supply and measurement and height do not repeat fixed measuring equipment for low meter easily extensible, comprise that the first Power supply easily extensible does not repeat fixed measuring equipment 1, second source is powered easily extensible do not repeat fixed measuring equipment 2, mother equipment 3, first Power supply easily extensible does not repeat fixed measuring equipment 1 and second source is powered that easily extensible does not repeat to be connected by mother equipment 3 between fixed measuring equipment 2.
First Power supply easily extensible does not repeat fixed measuring equipment 1 and comprises the first electric power incoming line unit 11, first horizontal main bus bar 12, first massive quantity power supply and measurement easily extensible does not repeat metering module 13, first height does not repeat metering module 14 for low meter easily extensible, first electric power incoming line unit 11 is connected with the first horizontal main bus bar 12, first horizontal main bus bar 12 does not also repeat metering module 13 and first and does not highly repeat metering module 14 for low meter easily extensible and be connected with the first massive quantity power supply and measurement easily extensible, first massive quantity power supply and measurement easily extensible does not repeat metering module 13, first height does not repeat metering module 14 for low meter easily extensible and is at least one, at least one first massive quantity power supply and measurement easily extensible does not repeat metering module 13, at least one first height does not repeat all horizontal with first main bus bar 12 of metering module 14 for low meter easily extensible and is connected.
Second source easily extensible of powering does not repeat fixed measuring equipment 2 and comprises second source wire inlet unit 21, second horizontal main bus bar 211, second massive quantity power supply and measurement easily extensible does not repeat metering module 23, second height does not repeat metering module 24 for low meter easily extensible, second source wire inlet unit 21 is connected with the second horizontal main bus bar 22, second horizontal main bus bar 22 does not also repeat metering module 23 and second and does not highly repeat metering module 24 for low meter easily extensible and be connected with the second massive quantity power supply and measurement easily extensible, second massive quantity power supply and measurement easily extensible does not repeat metering module 23, second height does not repeat metering module 24 for low meter easily extensible and is at least one, at least one second massive quantity power supply and measurement easily extensible does not repeat metering module 23, at least one second height does not repeat all horizontal with second main bus bar 22 of metering module 24 for low meter easily extensible and is connected.
Mother equipment 3 comprises and is connected on the 3rd circuit breaker 32 on the 3rd horizontal main bus bar 31 and the 3rd isolating switch 33, first horizontal main bus bar 12 and the second horizontal bus 22 respectively main bus bar 31 horizontal in the 3rd are connected, the current transformer of the current status measured on this bus of can also connecting on the 3rd horizontal main bus bar 31.
Adopt above measuring equipment, even if in same location, same power supply point has the buildings such as hotel, store, food and drink, house, because the purposes of user is different, the metering price of electricity price is also different, so different users and different massive quantity power supply and measurement easily extensible do not repeat the high-voltage terminal power supply unit of metering module or high do not repeat metering module for low meter easily extensible and connect, the power consumption segmentation that so can realize user is measured separately.Compared to the design in national standard winding diagram, different user uses a metering units metering, when there is the phenomenon of stealing, directly can not judge the user that stealing occurs and position, when using measuring equipment of the present invention, even if there is stealing electricity phenomenon, because different user measures separately, so stealing user and position can be found according to the metering display of metering units at short notice, more convenient, can increase work efficiency.
First Power supply easily extensible does not repeat fixed measuring equipment 1 or second source easily extensible of powering and does not repeat fixed measuring equipment 2 and can work independently simultaneously can use as stand-by power supply each other yet, for the first Power supply easily extensible do not repeat fixed measuring equipment 1 or second source power easily extensible do not repeat fixed measuring equipment 2 work respectively as separate unit time, according to national standard winding diagram line, multiple user uses a metering units metering jointly, a total metering units is installed by Electric control department, in the end of incoming cables of individual user, metering units is installed again:
When multiple user uses a metering units to measure jointly, the actual power consumption making power consumption and the charge examination of Electric control department that so there is each user cannot one_to_one corresponding, cause between user and mutually suspect between user and Electric control department, producing trust crisis;
A total metering units is installed by Electric control department, in the end of incoming cables of individual user, metering units is installed again, the metering electricity deducting individual user by the metering electricity of total metering units is the electricity that other users use, there is the defect repeating to measure in such computational methods, also the waste of resource can be caused, use this technical scheme, the metering separately that achieves that Every household has an ammeter, there is not the problem repeating to measure.
Further, first massive quantity power supply and measurement easily extensible does not repeat metering module 13 and comprises high voltage bus branch 131, high pressure measurement unit 132, high-voltage terminal power supply unit 133 and branch bar 134, high voltage bus branch 131 is the diverter branch that main bus bar 12 horizontal in first is connected, in the terminal of high voltage bus branch 131, high-voltage terminal power supply unit 133 is set, in high voltage bus branch 131, high pressure measurement unit 132 is set near one end of the first horizontal main bus bar 12, branch bar 134 connects the leading-out terminal of high pressure measurement unit 132, at least one high-voltage terminal power supply unit 133 is connected with branch bar 134.Such as, high-voltage terminal power supply unit 133 is one, two, three or more, and multiple high-voltage terminal power supply unit 133 can connect more user, the such as user of identical electricity consumption type or the different department of same user or different power unit.
Second massive quantity power supply and measurement easily extensible does not repeat metering module 23 and comprises high voltage bus branch 231, high pressure measurement unit 232, high-voltage terminal power supply unit 233 and branch bar 234, high voltage bus branch 231 is the diverter branch that main bus bar 22 horizontal in second is connected, in the terminal of high voltage bus branch 231, high-voltage terminal power supply unit 233 is set, in high voltage bus branch 231, high pressure measurement unit 232 is set near one end of the second horizontal main bus bar 22, branch bar 234 connects the leading-out terminal of high pressure measurement unit 232, at least one high-voltage terminal power supply unit 233 is connected with branch bar 234.Such as, high-voltage terminal power supply unit 233 is one, two, three or more, and multiple high-voltage terminal power supply unit 233 can connect more user, the such as user of identical electricity consumption type or the different department of same user or different power unit.
Wherein, the high pressure measurement unit 132 that first Power supply easily extensible does not repeat fixed measuring equipment 1 comprises spacer assembly 1321, metering current mulual inductor 1322, metered voltage instrument transformer 1323, metering device 1324, high pressure measurement unit 132 is connected with high voltage bus branch 131 by spacer assembly 1321, an end of incoming cables of metering current mulual inductor 1322 is connected with high voltage bus branch respectively with a leading-out terminal, a termination of metered voltage instrument transformer 1323 is connected with high voltage bus branch 131 by fuse, metering device 1324 is connected with the secondary outgoing line end of metering current mulual inductor 1322 secondary outgoing line end and metered voltage instrument transformer 1323, to measure the power consumption of the user that high-voltage terminal power supply unit 133 connects.
This high pressure measurement unit 132 is for the metering of Electric control department to the electric energy that the user that high-voltage terminal power supply unit 133 connects uses, the metering numerical value that Electric control department shows according to the metering device 1324 of this high pressure measurement unit 132 carries out charge examination to user, to supervise user's reasonable employment electric power resource, stealing or other irrational electricity consumption behaviors is avoided to occur.
High-voltage terminal power supply unit 133 comprises the outlet switch 1331 be connected on successively in high voltage bus branch 131, wire-outgoing breaker, distribution current transformer, cable socket 1332, cable socket 1332 is arranged on the end of high voltage bus branch 131, for user being connected with high voltage bus branch 131.Wire-outgoing breaker, distribution current transformer cooperate to be measured going out line current and protects, and avoid overcurrent to enter user, the folding of outlet switch 1331 can allow staff directly judge the state of circuit.
Further, high-voltage terminal power supply unit 133 is also provided with lightning arrester, electrification display 1333, inspection earthing switch 1334, one end of lightning arrester, electrification display 1333, inspection earthing switch 1334 is connected with the leading-out terminal of distribution current transformer, other end ground connection, electrification display 1333 can circuit state, when user side needs maintenance or occurs abnormal, inspection earthing switch 1334 is closed, with the power supply of disconnect user, avoids the danger of hot line job.
Wherein, the second source high pressure measurement unit 232 that easily extensible do not repeat fixed measuring equipment 2 of powering comprises spacer assembly 2321, metering current mulual inductor 2322, metered voltage instrument transformer 2323, metering device 2324, high pressure measurement unit 232 is connected with high voltage bus branch 231 by spacer assembly 2321, an end of incoming cables of metering current mulual inductor 2322 is connected with high voltage bus branch 231 respectively with a leading-out terminal, a termination of metered voltage instrument transformer 2323 connects one end of fuse, the other end of fuse is connected with high voltage bus branch 231, when there being overcurrent to flow through in circuit, fuse can fuse in advance, to protect metered voltage instrument transformer 2323, metering device 2324 is connected with the secondary outgoing line end of metering current mulual inductor 2322 secondary outgoing line end and metered voltage instrument transformer 2323, to measure the power consumption of the user that high-voltage terminal power supply unit 233 connects.
This high pressure measurement unit 232 is for the metering of Electric control department to the electric energy that the user that high-voltage terminal power supply unit 233 connects uses, the metering numerical value that Electric control department shows according to the metering device 2324 of this high pressure measurement unit 232 carries out charge examination to user, to supervise user's reasonable employment electric power resource, stealing or other irrational electricity consumption behaviors is avoided to occur.
High-voltage terminal power supply unit 233 comprises the outlet switch 2331 be connected on successively in high voltage bus branch 231, wire-outgoing breaker, distribution current transformer, cable socket 2332, cable socket 2332 is arranged on the end of high voltage bus branch 231, for user being connected with high voltage bus branch 231.Wire-outgoing breaker, distribution current transformer cooperate to be measured going out line current and protects, and avoid overcurrent to enter user, the folding of outlet switch 2331 can allow staff directly judge the state of circuit.
Further, high-voltage terminal power supply unit 233 is also provided with lightning arrester, electrification display 2333, inspection earthing switch 2334, one end of lightning arrester, electrification display 2333, inspection earthing switch 2334 is connected with the leading-out terminal of distribution current transformer, other end ground connection, electrification display 2333 can circuit state, when user side needs maintenance or occurs abnormal, inspection earthing switch 2334 is closed, with the power supply of disconnect user, avoids the danger of hot line job.
Further, the low-temperature measurement unit 144 that the height that first Power supply easily extensible does not repeat fixed measuring equipment 1 does not repeat metering module 14 for low meter easily extensible comprises metering current mulual inductor 1441 and low-voltage metering mechanism 1442, a termination of metering current mulual inductor 1441 is connected with the low-pressure side of transformer 143, low-voltage metering mechanism 1442 connects the secondary outgoing line end of metering current mulual inductor 1441, for the power consumption of metering user.
The second source low-temperature measurement unit 244 that height that easily extensible do not repeat fixed measuring equipment 2 do not repeat metering module 24 for low meter easily extensible of powering comprises metering current mulual inductor 2441 and low-voltage metering mechanism 2442, a termination of metering current mulual inductor 2441 is connected with the low-pressure side of transformer 243, low-voltage metering mechanism 2442 connects the secondary outgoing line end of metering current mulual inductor 2441, for the power consumption of metering user.
Further, first electric power incoming line unit 11 comprises the first inlet wire main bus bar 111, the first isolating switch 112 be connected on the first inlet wire main bus bar 111, inlet wire current instrument transformer, the first circuit breaker 114, second isolating switch 115, one end of first inlet wire main bus bar 111 is connected with the first horizontal main bus bar 12, and the other end of the first inlet wire main bus bar 111 is used for being connected with the first high pressure incoming power.When the first Power supply easily extensible do not repeat fixed measuring equipment 1 need maintenance time, by disconnecting the first isolating switch 112, to disconnect the power supply of this measuring equipment, inlet wire current instrument transformer and the first circuit breaker 114 are measured the first inlet wire main bus bar 111 and protect, because the first circuit breaker 114 is in hermetically sealed, range estimation can not see its state, when the first circuit breaker 114 disconnects, second isolating switch 115 is also disconnected, so, staff estimates the second isolating switch 115 and disconnects, can judge that circuit disconnects, the generation of security incident when avoiding hot line job.
Further, first electric power incoming line unit 11 also comprises primary voltage monitoring device 113, primary voltage monitoring device 113 comprises inlet wire monitoring voltage instrument transformer and fuse, a termination of inlet wire monitoring voltage instrument transformer connects one end of fuse, the other end of fuse connects the first inlet wire main bus bar 111, a termination of inlet wire monitoring voltage instrument transformer also connects lightning arrester, the other end ground connection of lightning arrester, inlet wire monitoring voltage instrument transformer Real-Time Monitoring inlet wire main bus bar can have no-voltage, when the first inlet wire main bus bar 111 has overvoltage to pass through, by fuse and lightning arrester incoming relay-protection, and remind staff by the external alert device connected.
Further, second source wire inlet unit 21 comprises the second inlet wire main bus bar 211, the first isolating switch 212 be connected on the second inlet wire main bus bar 211, inlet wire current instrument transformer, the second circuit breaker 214, second isolating switch 215, one end of second inlet wire main bus bar 211 is connected with the second horizontal main bus bar 22, and the other end of the second inlet wire main bus bar 211 is used for being connected with the second high pressure incoming power.When second source power easily extensible do not repeat fixed measuring equipment 2 need maintenance time, by disconnecting the first isolating switch 212, to disconnect the power supply of this measuring equipment, inlet wire current instrument transformer and the second circuit breaker 214 are measured the second inlet wire main bus bar 211 and protect, because the second circuit breaker 214 is in hermetically sealed, range estimation can not see its state, when the second circuit breaker 214 disconnects, second isolating switch 215 is also disconnected, so, staff estimates the second isolating switch 215 and disconnects, can judge that circuit disconnects, the generation of security incident when avoiding hot line job.
Further, second source wire inlet unit 21 also comprises primary voltage monitoring device 213, primary voltage monitoring device 213 comprises inlet wire monitoring voltage instrument transformer and fuse, a termination of inlet wire monitoring voltage instrument transformer connects one end of fuse, the other end of fuse connects the second inlet wire main bus bar 211, a termination of inlet wire monitoring voltage instrument transformer also connects lightning arrester, the other end ground connection of lightning arrester, inlet wire monitoring voltage instrument transformer Real-Time Monitoring inlet wire main bus bar can have no-voltage, when the second inlet wire main bus bar 211 has overvoltage to pass through, by fuse and lightning arrester incoming relay-protection, and remind staff by the external alert device connected.
Further, first Power supply easily extensible does not repeat fixed measuring equipment 1 and also comprises busbar voltage monitoring means 15, busbar voltage monitoring means 15 comprises the bus monitoring voltage instrument transformer, fuse, the isolating switch that connect successively, and busbar voltage monitoring means 15 is connected with the first horizontal main bus bar 12 by isolating switch; Second source easily extensible of powering does not repeat fixed measuring equipment 2 and also comprises busbar voltage monitoring means 25, busbar voltage monitoring means 25 comprises the bus monitoring voltage instrument transformer, fuse, the isolating switch that connect successively, and busbar voltage monitoring means 25 is connected with the second horizontal main bus bar 22 by isolating switch.During normal work, isolating switch closes, for monitoring the operating voltage of bus, when there is overvoltage or under voltage, information feed back can realize reporting to the police to the external alert device connected by bus monitoring voltage instrument transformer, fuse then can the quick-break when its operating voltage exceedes load voltage value, to remind staff that bus breaks down.
Dual power supply easily extensible of the present invention does not repeat fixed measuring equipment and also comprises backup auto-activating device, first circuit breaker 114 of backup auto-activating device and the first electric power incoming line unit 11, the second circuit breaker 214 of second source wire inlet unit 21, the 3rd circuit breaker 32 of mother equipment 3 are connected, and can realize mother prepared auto restart function or inlet wire prepared auto restart function:
When the first high pressure incoming power and the second high pressure incoming power normal power supply, 3rd circuit breaker 32 disconnects, first circuit breaker 114 closes, second circuit breaker 214 closes, mother equipment 3 does not work, first Power supply easily extensible does not repeat fixed measuring equipment 1 and second source easily extensible of powering and does not repeat fixed measuring equipment 2 and individually normally work, and is independent of each other;
When the first high pressure incoming power or the second high pressure incoming power fault can not be powered, 3rd circuit breaker 32 closes, first circuit breaker 114 disconnects or the second circuit breaker 214 disconnects, mother equipment 3 works, second source is powered, and not repeat fixed measuring equipment 2 by mother equipment 3 be that the first Power supply easily extensible does not repeat fixed measuring equipment 1 and powers to easily extensible, or the first Power supply easily extensible does not repeat fixed measuring equipment 1 by mother equipment 3 for second source easily extensible of powering does not repeat fixed measuring equipment 2 and powers, thus realize the function of two-way Power supply or a road power backup, avoid because of the problem of cisco unity malfunction during a certain road power failure.
The first high pressure incoming power that the first electric power incoming line unit 11 in the present invention and second source wire inlet unit 21 can use respectively is powered and the second high pressure incoming power is powered, and is called dual power supply; Also same high pressure incoming power can be used to power, then use inlet wire cable to connect the first inlet wire main bus bar 111 and the second inlet wire main bus bar 211 respectively from this, be called that single supply double-circuit is powered.
Certainly, creative work is not taken and available content all belongs to protection scope of the present invention those skilled in the art, such as: the simple replacement of various functionally similar components and parts, the simple extension of the series, parallel of circuit and replacement.
Claims (9)
1. a duplicate supply massive quantity power supply and measurement and height do not repeat fixed measuring equipment for low meter easily extensible, it is characterized in that: comprise the first Power supply easily extensible and do not repeat fixed measuring equipment, second source easily extensible of powering does not repeat fixed measuring equipment, mother equipment, described first Power supply easily extensible does not repeat fixed measuring equipment and second source easily extensible of powering and does not repeat between fixed measuring equipment by mother equipment connection, described first Power supply easily extensible does not repeat fixed measuring equipment and comprises the first electric power incoming line unit, first horizontal main bus bar, first massive quantity power supply and measurement easily extensible does not repeat metering module, first height does not repeat metering module for low meter easily extensible, described first electric power incoming line unit is connected with the first horizontal main bus bar, described first horizontal main bus bar does not also repeat metering module and first and high do not repeat metering module for low meter easily extensible and be connected with the first massive quantity power supply and measurement easily extensible, described first massive quantity power supply and measurement easily extensible does not repeat metering module, first height does not repeat metering module for low meter easily extensible and is at least one, at least one first massive quantity power supply and measurement easily extensible described does not repeat metering module, at least one first height does not repeat metering module for low meter easily extensible and is all connected with horizontal main bus bar, described second source easily extensible of powering does not repeat fixed measuring equipment and comprises second source wire inlet unit, second horizontal main bus bar, second massive quantity power supply and measurement easily extensible does not repeat metering module, second height does not repeat metering module for low meter easily extensible, described second source wire inlet unit is connected with the second horizontal main bus bar, described second horizontal main bus bar does not also repeat metering module and second and high do not repeat metering module for low meter easily extensible and be connected with the second massive quantity power supply and measurement easily extensible, described second massive quantity power supply and measurement easily extensible does not repeat metering module, second height does not repeat metering module for low meter easily extensible and is at least one, at least one second massive quantity power supply and measurement easily extensible described does not repeat metering module, at least one second height does not repeat metering module for low meter easily extensible and is all connected with horizontal main bus bar, described mother equipment comprises and is connected on the 3rd circuit breaker on the 3rd horizontal main bus bar and the 3rd isolating switch, described first horizontal main bus bar is connected with the 3rd horizontal main bus bar respectively with the second horizontal bus.
2. duplicate supply massive quantity power supply and measurement as claimed in claim 1 and height do not repeat fixed measuring equipment for low meter easily extensible, it is characterized in that: described first massive quantity power supply and measurement easily extensible does not repeat metering module and comprises high voltage bus branch, high pressure measurement unit, high-voltage terminal power supply unit and branch bar, described high voltage bus branches into the diverter branch that main bus bar horizontal in first is connected, in the terminal of high voltage bus branch, high-voltage terminal power supply unit is set, in high voltage bus branch, high pressure measurement unit is set near one end of the first horizontal main bus bar, described branch bar connects the leading-out terminal of described high pressure measurement unit, at least one high-voltage terminal power supply unit is connected with branch bar.
3. duplicate supply massive quantity power supply and measurement as claimed in claim 1 and height do not repeat fixed measuring equipment for low meter easily extensible, it is characterized in that: described second massive quantity power supply and measurement easily extensible does not repeat metering module and comprises high voltage bus branch, high pressure measurement unit, high-voltage terminal power supply unit and branch bar, described high voltage bus branches into the diverter branch that main bus bar horizontal in second is connected, in the terminal of high voltage bus branch, high-voltage terminal power supply unit is set, in high voltage bus branch, high pressure measurement unit is set near one end of the second horizontal main bus bar, described branch bar connects the leading-out terminal of described high pressure measurement unit, at least one high-voltage terminal power supply unit is connected with branch bar.
4. duplicate supply massive quantity power supply and measurement and height do not repeat fixed measuring equipment for low meter easily extensible as claimed in claim 2 or claim 3, it is characterized in that: described high pressure measurement unit comprises spacer assembly, metering current mulual inductor, metered voltage instrument transformer, metering device, described high pressure measurement unit is connected with high voltage bus branch by spacer assembly, an end of incoming cables of described metering current mulual inductor is connected with high voltage bus branch respectively with a leading-out terminal, a termination of described metered voltage instrument transformer is connected with high voltage bus branch by fuse, described metering device is connected with the secondary outgoing line end of metering current mulual inductor secondary outgoing line end and metered voltage instrument transformer, to measure the power consumption of the user that described high-voltage terminal power supply unit connects.
5. duplicate supply massive quantity power supply and measurement and height do not repeat fixed measuring equipment for low meter easily extensible as claimed in claim 2 or claim 3, it is characterized in that: described high-voltage terminal power supply unit comprises the outlet switch be connected on successively in high voltage bus branch, wire-outgoing breaker, distribution current transformer, cable socket, described cable socket is arranged on the end of high voltage bus branch, for user being connected with high voltage bus branch.
6. duplicate supply massive quantity power supply and measurement as claimed in claim 1 and height do not repeat fixed measuring equipment for low meter easily extensible, it is characterized in that: described first electric power incoming line unit comprises the first inlet wire main bus bar, the first isolating switch, inlet wire current instrument transformer, the first circuit breaker, the second isolating switch be connected on the first inlet wire main bus bar, one end of described first inlet wire main bus bar is connected with the first horizontal main bus bar, and the other end of the first inlet wire main bus bar is used for being connected with the first high pressure incoming power.
7. as claim 6 duplicate supply massive quantity power supply and measurements stated and high do not repeat fixed measuring equipment for low meter easily extensible, it is characterized in that: described second source wire inlet unit comprises the second inlet wire main bus bar, the first isolating switch, inlet wire current instrument transformer, the second circuit breaker, the second isolating switch be connected on the second inlet wire main bus bar, one end of described second inlet wire main bus bar is connected with the second horizontal main bus bar, and the other end of the second inlet wire main bus bar is used for being connected with the second high pressure incoming power.
8. duplicate supply massive quantity power supply and measurement as claimed in claim 7 and height do not repeat fixed measuring equipment for low meter easily extensible, it is characterized in that: described first Power supply easily extensible does not repeat fixed measuring equipment and also comprises busbar voltage monitoring means, described busbar voltage monitoring means comprises the bus monitoring voltage instrument transformer, fuse, the isolating switch that connect successively, and described busbar voltage monitoring means is connected with the first horizontal main bus bar by isolating switch; Described second source easily extensible of powering does not repeat fixed measuring equipment and also comprises busbar voltage monitoring means, described busbar voltage monitoring means comprises the bus monitoring voltage instrument transformer, fuse, the isolating switch that connect successively, and described busbar voltage monitoring means is connected with the second horizontal main bus bar by isolating switch.
9. duplicate supply massive quantity power supply and measurement as claimed in claim 8 and height do not repeat fixed measuring equipment for low meter easily extensible, it is characterized in that: described duplicate supply massive quantity power supply and measurement and high do not repeat fixed measuring equipment for low meter easily extensible and also comprise backup auto-activating device, the first circuit breaker of described backup auto-activating device and described first electric power incoming line unit, the second circuit breaker of second source wire inlet unit, the 3rd circuit breaker of mother equipment are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667289.7A CN105207065A (en) | 2015-10-16 | 2015-10-16 | Double-power-source high-voltage supply high-voltage metering and high-voltage supply low-voltage metering expandable no-repeat fixed metering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667289.7A CN105207065A (en) | 2015-10-16 | 2015-10-16 | Double-power-source high-voltage supply high-voltage metering and high-voltage supply low-voltage metering expandable no-repeat fixed metering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105207065A true CN105207065A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510667289.7A Pending CN105207065A (en) | 2015-10-16 | 2015-10-16 | Double-power-source high-voltage supply high-voltage metering and high-voltage supply low-voltage metering expandable no-repeat fixed metering equipment |
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| CN (1) | CN105207065A (en) |
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Application publication date: 20151230 |