CN215528699U - Informationized power distribution system - Google Patents

Informationized power distribution system Download PDF

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Publication number
CN215528699U
CN215528699U CN202121117065.6U CN202121117065U CN215528699U CN 215528699 U CN215528699 U CN 215528699U CN 202121117065 U CN202121117065 U CN 202121117065U CN 215528699 U CN215528699 U CN 215528699U
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China
Prior art keywords
voltage
distribution system
circuit breaker
power distribution
monitor
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CN202121117065.6U
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Chinese (zh)
Inventor
杨冬
钱欣
黄贵
张宿新
鲍杰
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State Grid Corp of China SGCC
MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
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State Grid Corp of China SGCC
MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Priority to CN202121117065.6U priority Critical patent/CN215528699U/en
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Abstract

The utility model discloses an information-based power distribution system relates to distribution informatization technical field. The informationized power distribution system is additionally provided with a set of circuit breakers on the basis of the traditional low-voltage power distribution system, and the circuit breakers can be switched off when a leakage fault signal is received, such as a leakage protector or a corresponding circuit breaker does not act, so that the phenomenon that a large loss is caused because the leakage fault is not eliminated within a short time is avoided; with the combination of traditional low voltage distribution equipment and monitor, long-range transceiver and removal end, changed traditional distribution equipment and patrolled and examined the mode, can monitor the state of each equipment through the removal end, can learn in advance if there is the problem, solved the tradition and patrolled and examined and only see the inside technological problem of outward appearance not to see.

Description

Informationized power distribution system
Technical Field
The utility model relates to the technical field of power distribution informatization, in particular to an informatization power distribution system.
Background
The section of the power system that exits from a step-down distribution substation (high-voltage distribution substation) to a customer end is referred to as a distribution system. A power distribution system is an electrical power network system that transforms voltage and distributes power directly to end users, consisting of a variety of distribution equipment (or components) and distribution facilities.
The low-voltage distribution system is composed of a distribution substation (generally, the transmission voltage of a power grid is reduced to a distribution voltage), a high-voltage distribution line (namely, the voltage is more than 1 kilovolt), a distribution transformer, a low-voltage distribution line (the voltage is less than 1 kilovolt) and corresponding control protection equipment.
Among traditional low voltage distribution system, set up earth-leakage protector when the leakage current of electric wire netting exceeds a certain setting value, can automatic cutout power or send alarm signal's a safety protection measure, earth-leakage protection in the low voltage electric wire netting can prevent the damage accident that the personal electrocution casualties accident and equipment caused the trouble short circuit and arouse, but in the in-service use process, often because earth-leakage protector is because of the long-time overhaul, the circuit leads to the device failure ageing, so often can not in time move when facing the electric leakage problem, secondly traditional low voltage distribution system also lacks the information configuration, need the manual work to patrol and examine reconnaissance equipment state very much, and most distribution equipment all have the isolation shell, the manual work is difficult to inspect the inside, so also the urgent need only need the information transformation with distribution system.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides an informatization power distribution system, which solves the problems of backward informatization configuration and single leakage protection of the traditional low-voltage power distribution system.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: an information power distribution system comprises a power distribution system and a monitoring control system, wherein the power distribution system comprises a high-voltage line, a low-voltage substation, an isolating switch A, a circuit breaker B, a circuit breaker A, an isolating switch B, an electricity meter and a user side which are sequentially connected in series, a reactive compensation controller is connected in parallel between the low-voltage substation and the isolating switch A, and the monitoring control system comprises a voltage transformer A, a current transformer A, a leakage protector, a forced cut-off controller, a voltage transformer B, a current transformer B, a monitor, a remote transceiver, a mobile terminal and a control terminal;
a voltage transformer A is arranged between the low-voltage substation and the isolating switch A, a current transformer A is arranged between the isolating switch A and the circuit breaker B, the circuit breaker A is electrically connected with the leakage protector, the circuit breaker B is electrically connected with the forced cut-off controller, the leakage protector is electrically connected with the forced cut-off controller, and a voltage transformer B and a current transformer B are arranged between the circuit breaker A and the isolating switch B;
high-voltage line, low voltage substation, isolator A, circuit breaker B, circuit breaker A, isolator B, coulomb meter, voltage transformer A, current transformer A, earth-leakage protector, force cut-off control ware, voltage transformer B, current transformer B, reactive compensation controller all with monitor electric connection, monitor and long-range transceiver electric connection, long-range transceiver respectively with remove end, control end electric connection.
Preferably, the mobile terminal is a mobile phone terminal.
Preferably, the mobile terminal is a computer terminal.
Preferably, the remote transceiver is electrically connected with the mobile terminal through the internet.
Preferably, the monitor has a control function.
(III) advantageous effects
The utility model provides an information-based power distribution system. The method has the following beneficial effects:
(1) this information-based power distribution system adds one set of circuit breaker more on traditional low pressure power distribution system's basis, like earth-leakage protector or when corresponding circuit breaker trouble does not move after earth leakage fault signal receives, can break off this circuit breaker, avoids not eliminating in the earth leakage trouble short-term and arouses great loss.
(2) This information-based power distribution system with traditional low voltage distribution equipment and monitor, long-range transceiver and the combination of removing the end, has changed traditional distribution equipment and has patrolled and examined the mode, can monitor the state of each equipment through the removal end, can learn in advance if there is the problem, has solved the tradition and has patrolled and examined and only see the apparent technological problem that does not see inside.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of a monitoring and control system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an information-based power distribution system, includes power distribution system and monitoring control system, power distribution system is including high-voltage line, low-voltage substation, isolator A, circuit breaker B, circuit breaker A, isolator B, coulomb meter and the user end that establishes ties in proper order, and it has reactive compensation controller, its characterized in that to connect in parallel between low-voltage substation and the isolator A: the monitoring control system comprises a voltage transformer A, a current transformer A, a leakage protector, a forced cut-off controller, a voltage transformer B, a current transformer B, a monitor, a remote transceiver, a mobile terminal and a control terminal;
a voltage transformer A is arranged between the low-voltage substation and the isolating switch A, a current transformer A is arranged between the isolating switch A and the circuit breaker B, the circuit breaker A is electrically connected with the leakage protector, the circuit breaker B is electrically connected with the forced cut-off controller, the leakage protector is electrically connected with the forced cut-off controller, and a voltage transformer B and a current transformer B are arranged between the circuit breaker A and the isolating switch B;
high-voltage line, low voltage substation, isolator A, circuit breaker B, circuit breaker A, isolator B, the coulomb meter, voltage transformer A, current transformer A, earth leakage protector, force the cut-off control ware, voltage transformer B, current transformer B, reactive compensation controller all with monitor electric connection, monitor and long-range transceiver electric connection, long-range transceiver respectively with remove the end, control end electric connection, it is cell-phone end or computer end to remove the end, long-range transceiver passes through the internet and removes end electric connection, the monitor has control function.
When the power distribution device monitoring system is used, the monitor can collect self-checking signals of all power distribution devices and send the self-checking signals to the control end and the moving end through the remote transceiver, the control end is a remote control operation end, and workers can remotely start, stop, open and close power distribution equipment and change states through the control end; the mobile terminal can provide necessary state information for the patrol and inspection personnel, and if equipment in the distribution device breaks down, the monitor collects signals and then sends the signals to the control terminal and the mobile terminal through the remote transceiver to enable the working personnel to react in advance.
The voltage transformer A is arranged between the isolating switch A and the low-voltage substation, and when the breaker A or the breaker B is switched off, if the low-voltage substation is not in a voltage loss state, the voltage transformer A can continuously monitor the output voltage of the low-voltage substation, conveniently monitors whether the low-voltage substation has a power transmission state, and can timely recover operation after fault removal.
The working mode of leakage protection is as follows:
1. the leakage fault signal is transmitted to the leakage protector, and the leakage protector acts to control the opening of the breaker A;
2. if the leakage protector or the breaker A fails and the breaker A is not opened, the leakage protector can transmit a signal to the forced cut-off controller, and the forced cut-off controller controls the breaker B to be opened;
3. if the leakage protector does not transmit a signal to the forced cut-off controller due to a fault, the monitor can transmit the signal to the forced cut-off controller after receiving the signal of the current transformer B or the leakage protector, and the forced cut-off controller controls the opening of the breaker B.
In summary, the informationized power distribution system is additionally provided with a set of circuit breakers on the basis of the traditional low-voltage power distribution system, and after a leakage fault signal is received, if a leakage protector or a corresponding circuit breaker fails to act, the circuit breaker can be switched off, so that the phenomenon that the leakage fault is not eliminated within a short time to cause large loss is avoided; with the combination of traditional low voltage distribution equipment and monitor, long-range transceiver and removal end, changed traditional distribution equipment and patrolled and examined the mode, can monitor the state of each equipment through the removal end, can learn in advance if there is the problem, solved the tradition and patrolled and examined and only see the inside technological problem of outward appearance not to see.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an information-based power distribution system, includes power distribution system and monitoring control system, power distribution system is including high-voltage line, low-voltage substation, isolator A, circuit breaker B, circuit breaker A, isolator B, coulomb meter and the user side that establishes ties in proper order, it has reactive compensation controller, its characterized in that to connect in parallel between low-voltage substation and the isolator A: the monitoring control system comprises a voltage transformer A, a current transformer A, a leakage protector, a forced cut-off controller, a voltage transformer B, a current transformer B, a monitor, a remote transceiver, a mobile terminal and a control terminal;
a voltage transformer A is arranged between the low-voltage substation and the isolating switch A, a current transformer A is arranged between the isolating switch A and the circuit breaker B, the circuit breaker A is electrically connected with the leakage protector, the circuit breaker B is electrically connected with the forced cut-off controller, the leakage protector is electrically connected with the forced cut-off controller, and a voltage transformer B and a current transformer B are arranged between the circuit breaker A and the isolating switch B;
high-voltage line, low voltage substation, isolator A, circuit breaker B, circuit breaker A, isolator B, coulomb meter, voltage transformer A, current transformer A, earth-leakage protector, force cut-off control ware, voltage transformer B, current transformer B, reactive compensation controller all with monitor electric connection, monitor and long-range transceiver electric connection, long-range transceiver respectively with remove end, control end electric connection.
2. An information distribution system according to claim 1, characterized in that: the mobile terminal is a mobile phone terminal.
3. An information distribution system according to claim 1, characterized in that: the mobile terminal is a computer terminal.
4. An information distribution system according to claim 1, characterized in that: the remote transceiver is electrically connected with the mobile terminal through the Internet.
5. An information distribution system according to claim 1, characterized in that: the monitor has a control function.
CN202121117065.6U 2021-05-24 2021-05-24 Informationized power distribution system Active CN215528699U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121117065.6U CN215528699U (en) 2021-05-24 2021-05-24 Informationized power distribution system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121117065.6U CN215528699U (en) 2021-05-24 2021-05-24 Informationized power distribution system

Publications (1)

Publication Number Publication Date
CN215528699U true CN215528699U (en) 2022-01-14

Family

ID=79805082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121117065.6U Active CN215528699U (en) 2021-05-24 2021-05-24 Informationized power distribution system

Country Status (1)

Country Link
CN (1) CN215528699U (en)

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