CN209642067U - The power distribution cabinet of more plant-grid connections - Google Patents
The power distribution cabinet of more plant-grid connections Download PDFInfo
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- CN209642067U CN209642067U CN201920238371.1U CN201920238371U CN209642067U CN 209642067 U CN209642067 U CN 209642067U CN 201920238371 U CN201920238371 U CN 201920238371U CN 209642067 U CN209642067 U CN 209642067U
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- Prior art keywords
- mutual inductor
- current mutual
- inlet wire
- wire cable
- power distribution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses a kind of power distribution cabinets of more plant-grid connections, including power distribution cabinet main body, inlet wire cable plug device, outlet cable attachment device and primary current mutual inductor group and secondary current mutual inductor group, the inlet wire cable plug device is connected with main power source inlet wire cable and backup power source inlet wire cable, the primary current mutual inductor group connects the inlet wire cable plug device and the outlet cable attachment device, the secondary current mutual inductor group connects the primary current mutual inductor group and the outlet cable attachment device, the first breaker is provided between the inlet wire cable plug device and the primary current mutual inductor group, the power distribution cabinet further includes turn-on control circuit in limited time, the control terminal of the turn-on control circuit in limited time is electrically connected by plug-in data line with the secondary current mutual inductor, the conducting control in limited time The conducting timing of circuit control outlet cable.The utility model can reduce power off time, switching conveniently.
Description
Technical field
The utility model relates to a kind of power distribution cabinets of more plant-grid connections.
Background technique
It is depressured box-type substation using beautiful (Europe) formula from cell power supply system, there are two voltages of 10kV and 0.4kV
Grade, 10kV mono- flank the 10kV bus with the 110kV substation passed through beside cell, and the side 0.4kV is mainly used for cell use
The electricity consumption at family and cell public place.
Needed for development with society and in order to meet distribution line, equipment operating standard, need to become original case
Capacity is replaced or is increased, previous working method is replaced or overhauled again after transformer has a power failure, due to having a power failure
The limitation of time, often results in that repair quality is poor, large labor intensity, safety it cannot be guaranteed that.
Utility model content
Technical problem to be solved in the utility model is just to provide one kind, and can to reduce power off time, switching convenient more
The power distribution cabinet of plant-grid connection.
In order to achieve the above object, the utility model adopts the following technical solution: the power distribution cabinet of more plant-grid connections, including matches
Electric cabinet main body, which is characterized in that further include inlet wire cable plug device, outlet cable attachment device and primary current mutual inductor
Group and secondary current mutual inductor group, the inlet wire cable plug device are connected with main power source inlet wire cable and backup power source inlet wire electricity
Cable, the primary current mutual inductor group connection inlet wire cable plug device and the outlet cable attachment device, described two
Primary current mutual inductor group connects the primary current mutual inductor group and the outlet cable attachment device, the inlet wire cable plug
The first breaker, outlet cable attachment device and primary current mutual inductance are provided between device and the primary current mutual inductor group
It is provided with the second breaker between device, the power distribution cabinet further includes turn-on control circuit in limited time, the turn-on control circuit in limited time
Control terminal be electrically connected with the secondary current mutual inductor by plug-in data line, the turn-on control circuit of prescribing a time limit controls out
The conducting timing of line cable.
Further, the turn-on control circuit in limited time includes intelligent capacitor group, the control of the intelligent capacitor group
Input terminal is connected to the secondary current mutual inductor, generates corresponding conducting timing according to the output of secondary current mutual inductor.
Further, the fling-cut switch of the intelligent capacitor group is electrically connected with A, B, C three-phase of outlet cable attachment device
It connects.
Further, the intelligent capacitor group includes that the intelligent capacitor of three three-phase type connections and a split-phase type connect
The intelligent capacitor connect.
Further, the main power source inlet wire cable and the backup power source inlet wire cable by interlocked circuit breaker with it is described
The electrical connection of outlet cable attachment device.
After adopting the above technical scheme, the utility model has the advantages that
First, quick switching is played the role of by inlet wire cable plug device and outlet cable attachment device, will be needed originally
The power failure operation time having a power failure 6-8 hours becomes completing in half an hour power failure.Second, to inlet wire cable and gone out by power distribution cabinet
Line cable is transferred, and the problem of outlet cable length not enough turns power supply is avoided.Third, the utility model have nuclear phase function
Energy.Since electric system is three-phase power supply system, there is a fixed phase difference between three-phase, when main power source and backup power source
When arranged side by side, phase or the different AC power source of phase sequence side by side or cyclization, will generate huge electric current, and cause generator or electrically set
Standby damage.The utility model carries out nuclear phase using primary current mutual inductor group and secondary current mutual inductor group, and primary current is mutual
Sensor group makes phase sequence and phase correct, and secondary current mutual inductor group makes quadratic phase and phase sequence correct, avoids non-same
Phase is arranged side by side.4th, using intelligent capacitor group, switching can be carried out to the electric current of generation, control the timing of conducting to eliminate
It is corresponding to influence, and corresponding data information is obtained by mutual inductor, accurately switching can be sampled, can avoid the peak hour limit
When be connected, be to be further reduced the power failure operation time.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of power distribution cabinet in the utility model；
Fig. 2 is to be electrically connected schematic diagram in the utility model in power distribution cabinet；
Fig. 3 is power distribution cabinet inner part circuit diagram in the utility model.
Specific embodiment
Embodiment:
The power distribution cabinet of more plant-grid connections, including power distribution cabinet main body, which is characterized in that further include inlet wire cable plug device,
Outlet cable attachment device and primary current mutual inductor group and secondary current mutual inductor group, the inlet wire cable plug device connect
It is connected to main power source inlet wire cable and backup power source inlet wire cable, the primary current mutual inductor group connects the inlet wire cable plug
Device and the outlet cable attachment device, the secondary current mutual inductor group connect the primary current mutual inductor group with it is described
Outlet cable attachment device is provided with the first open circuit between the inlet wire cable plug device and the primary current mutual inductor group
Device, is provided with the second breaker between outlet cable attachment device and primary current mutual inductor, the primary current mutual inductor group,
Secondary current mutual inductor group is connect with data processor, further includes that turn-on control circuit, the control of conducting in limited time in limited time are electric
The control terminal on road is electrically connected by plug-in data line with the secondary current mutual inductor, the turn-on control circuit control in limited time
The conducting timing of outlet cable.
As shown in Figure 1, in the present embodiment, power distribution cabinet main body 1 is a closing shell, power distribution cabinet main body 1 includes chamber door.Into
Line cable plug device 2 includes four inlet wire cable connecting terminals, and four inlet wire cable connecting terminals are separately connected A phase, B phase, C
Phase three-phase electricity cable and zero curve.Inlet wire cable connecting terminal includes wall bushing and connecting terminal box.The side of switching box main body 1
It is set on wall there are four mounting hole 102, is arranged with corresponding wall bushing respectively in each mounting hole 102.Outlet cable connection dress
It sets 3 to be fixed in switching box main body 1, outlet cable attachment device 3 includes that four outlet cables being from top to bottom arranged connect
Line terminals row.
As shown in Fig. 2, inlet wire cable plug device is used to connect main power source inlet wire cable and backup power source inlet wire cable,
Middle main power source is exported by the transformer of utility grid, and backup power source is exported by generator.The connection of outlet cable attachment device respectively goes out
Line cable.The utility model further includes primary current mutual inductor group and secondary current mutual inductor group.Primary current mutual inductor group connects
Line cable plug device and outlet cable attachment device are tapped into, secondary current mutual inductor group connects primary current mutual inductor group and goes out
Line cable connecting arrangement.The first breaker is provided between inlet wire cable plug device and primary current mutual inductor group.Outlet electricity
The second breaker is provided between cable attachment device and primary current mutual inductor.Electric system is three-phase power supply system, three-phase
Between have a fixed phase difference, when main power source and backup power source arranged side by side, phase or phase sequence it is different AC power source it is arranged side by side
Or cyclization, huge electric current will be generated, the damage of generator or electrical equipment is caused, therefore, using primary current mutual inductor group
Nuclear phase is carried out with secondary current mutual inductor group.Primary current mutual inductor group makes phase sequence and phase correct, and secondary current is mutual
Sensor group makes quadratic phase and phase sequence correct, avoids non-synchronous arranged side by side.
It in the present embodiment, further include that turn-on control circuit, the control terminal of the turn-on control circuit in limited time pass through in limited time
Plug-in data line is electrically connected with the secondary current mutual inductor, the conducting of the control outlet cable of turn-on control circuit in limited time
Timing.
As shown in figure 3, the fling-cut switch of the intelligent capacitor group and A, B, C three-phase of outlet cable attachment device are electrically connected
It connects.The intelligent capacitor group includes the intelligent capacitor of three three-phase type connections and the intelligent capacitor of split-phase type connection
Device.The main power source inlet wire cable connect dress with the outlet cable by interlocked circuit breaker with the backup power source inlet wire cable
Set electrical connection.
The utility model realizes the fast transfer of power distribution cabinet, will need to have a power failure 6-8 hours power failure operation time originally
Become completing in a short time；Realize the quick switching of cable；Have nuclear phase and cutting load testing function, while meeting safe design regulation
And operating instruction, fully ensure that the reliability requirement that user continuously powers to power supply enterprise.
First, quick switching is played the role of by inlet wire cable plug device and outlet cable attachment device, will be needed originally
The power failure operation time having a power failure 6-8 hours becomes completing in a short time.Second, by power distribution cabinet to inlet wire cable and outlet cable
It transfers, avoids the problem of outlet cable length not enough turns power supply.Third, the utility model have nuclear phase function.Due to
Electric system is three-phase power supply system, there is a fixed phase difference between three-phase, when main power source and backup power source arranged side by side,
Phase or the different AC power source of phase sequence side by side or cyclization, will generate huge electric current, and cause the damage of generator or electrical equipment
It is bad.The utility model carries out nuclear phase, primary current mutual inductor group using primary current mutual inductor group and secondary current mutual inductor group
So that phase sequence and phase are correct, secondary current mutual inductor group makes quadratic phase and phase sequence correct, avoids non-synchronous arranged side by side.
4th, using intelligent capacitor group, switching can be carried out to the electric current of generation, control the timing of conducting to eliminate corresponding shadow
It rings, and corresponding data information is obtained by mutual inductor, accurately switching can be sampled, can avoid the peak hour is connected in limited time,
It is to be further reduced the power failure operation time.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
Claims (5)
- The power distribution cabinet of plant-grid connection more than 1., including power distribution cabinet main body, which is characterized in that further include inlet wire cable plug device, go out Line cable connecting arrangement and primary current mutual inductor group and secondary current mutual inductor group, the inlet wire cable plug device connection There are main power source inlet wire cable and backup power source inlet wire cable, the primary current mutual inductor group connects the inlet wire cable plug dress Set with the outlet cable attachment device, the secondary current mutual inductor group connect the primary current mutual inductor group and it is described go out Line cable connecting arrangement is provided with the first open circuit between the inlet wire cable plug device and the primary current mutual inductor group Device, is provided with the second breaker between outlet cable attachment device and primary current mutual inductor, the power distribution cabinet further includes prescribing a time limit The control terminal of turn-on control circuit, the turn-on control circuit in limited time passes through plug-in data line and the secondary current mutual inductor Electrical connection, the conducting timing of the control outlet cable of turn-on control circuit in limited time.
- 2. the power distribution cabinet of more plant-grid connections according to claim 1, which is characterized in that the turn-on control circuit packet in limited time Intelligent capacitor group is included, the control signal of the intelligent capacitor group is connected to the secondary current mutual inductor, according to secondary The output of current transformer generates corresponding conducting timing.
- 3. the power distribution cabinet of more plant-grid connections according to claim 2, which is characterized in that the switching of the intelligent capacitor group Switch is electrically connected with A, B, C three-phase of outlet cable attachment device.
- 4. the power distribution cabinet of more plant-grid connections according to claim 3, which is characterized in that the intelligent capacitor group includes three The intelligent capacitor of a three-phase type connection and the intelligent capacitor of split-phase type connection.
- 5. the power distribution cabinet of more plant-grid connections according to claim 2, which is characterized in that the main power source inlet wire cable and institute Backup power source inlet wire cable is stated to be electrically connected by interlocked circuit breaker with the outlet cable attachment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238371.1U CN209642067U (en) | 2019-02-26 | 2019-02-26 | The power distribution cabinet of more plant-grid connections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238371.1U CN209642067U (en) | 2019-02-26 | 2019-02-26 | The power distribution cabinet of more plant-grid connections |
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| Publication Number | Publication Date |
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| CN209642067U true CN209642067U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920238371.1U Active CN209642067U (en) | 2019-02-26 | 2019-02-26 | The power distribution cabinet of more plant-grid connections |
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| CN (1) | CN209642067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994410A (en) * | 2019-12-31 | 2020-04-10 | 国网北京市电力公司 | Mobile box type transformer substation system |
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2019
- 2019-02-26 CN CN201920238371.1U patent/CN209642067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994410A (en) * | 2019-12-31 | 2020-04-10 | 国网北京市电力公司 | Mobile box type transformer substation system |
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