CN206992777U - A kind of transformer station - Google Patents

A kind of transformer station Download PDF

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Publication number
CN206992777U
CN206992777U CN201621132601.9U CN201621132601U CN206992777U CN 206992777 U CN206992777 U CN 206992777U CN 201621132601 U CN201621132601 U CN 201621132601U CN 206992777 U CN206992777 U CN 206992777U
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CN
China
Prior art keywords
battery
transverter
electrokinetic cell
transformer station
cell heap
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.)
Expired - Fee Related
Application number
CN201621132601.9U
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Chinese (zh)
Inventor
李玉潮
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Xi'an Deyuan Energy Storage Technology Co Ltd
Original Assignee
Xi'an Deyuan Energy Storage Technology Co Ltd
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Publication date
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Priority to CN201621132601.9U priority Critical patent/CN206992777U/en
Application granted granted Critical
Publication of CN206992777U publication Critical patent/CN206992777U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a kind of transformer station, can improve the power supply reliability of transformer station, while transformer station is had the ability for carrying out peak regulation, Fill valley and phase modulation to electric power system.The transformer station includes the transformer and power distribution equipment being arranged between grid side and user side, and battery energy storage device;Wherein, the battery energy storage device is used to store electric energy when there is power supply supply in transformer station, and non-transformer provides electric energy when supplying;The battery energy storage device includes transverter, electrokinetic cell heap, battery management system and EMS.

Description

A kind of transformer station
Technical field
It the utility model is related to electroporation field, more particularly to a kind of transformer station.
Background technology
Transformer station is the place for changing voltage;By the difference of scale, big is referred to as transformer station, and small is referred to as electric substation.For The electrical energy transportation that power plant issues to place farther out, it is necessary to voltage is raised, is changed into high-tension electricity, to user nearby again Voltage is reduced on demand, the work of this buck/boost is completed by transformer station.
Existing transformer station is mainly by transformer, high and low voltage electric distribution equipment, control system, protection system, metering and indicator The parts such as table are formed.But there is following defect in this transformer station:
(1) when grid side power failure, or when high-tension apparatus/Repair of Transformer, low-pressure side is matched somebody with somebody for existing transformer station Electric equipment can not give the power supply for electrical equipment of user side, so as to influence the power supply reliability of transformer station.
(2) existing transformer station can not carry out peak regulation, Fill valley and phase modulation to electric power system.
The content of the invention
The utility model embodiment provides a kind of transformer station, can not only improve the power supply reliability of transformer station, also simultaneously Make transformer station that there is the ability for carrying out peak regulation, Fill valley and phase modulation to electric power system.
The power supply reliability of transformer station can be improved.
The technical scheme is as follows:
A kind of transformer station, including the transformer and power distribution equipment being arranged between grid side and user side, and battery storage Can device;Wherein, the battery energy storage device is used to store electric energy when there is power supply supply in transformer station, and non-transformer provides when supplying Electric energy.
Preferably, the battery energy storage device includes transverter, electrokinetic cell heap, battery management system and energy management system System;The transverter is arranged between the electrokinetic cell heap and substation low-voltage side;Wherein, the electrokinetic cell heap is used to store up Deposit electric energy;The battery management system is used to be managed the electrokinetic cell heap;The transverter is used for transformer station to institute State the charging of electrokinetic cell heap and the AC/DC conversion of the electrokinetic cell heap;The EMS is used to control institute State inversion of charging and the transverter of the transverter to the electrokinetic cell heap to the substation low-voltage side;In energy storage Cheng Zhong, during by the alternating current of the transformer pressure-reducing through the transverter, the EMS controls the change of current Device converts alternating current to direct current, is charged for the electrokinetic cell heap, while described in battery management system control The charging current of electrokinetic cell heap is no more than permissible value with voltage;In power supply process, the electricity that is stored in the electrokinetic cell heap When can flow through the transverter, it is power transformation by converting direct-current power into alternating-current power that the EMS, which controls the transverter, Stand and electric energy is provided, while the battery management system controls the discharge current of the electrokinetic cell heap and voltage to be no more than permission Value.
Optionally, the battery energy storage device also includes control module and protection module.
Optionally, the electrokinetic cell heap is the battery pack being combined into by multiple single power batteries;Wherein, the monomer Electrokinetic cell includes sodium-sulphur battery, flow battery, lead-acid battery, ferric phosphate lithium cell, power capacitor batteries, nano-capacitors electricity Any of pond, Ni-H 2 power capacitor batteries and capacitor type lithium battery.
Optionally, the transverter includes two-way inverter, bi-directional inverter and is combined into by charger and inverter Any of transverter.
The technical scheme that the utility model embodiment provides can include the following benefits:
In the utility model embodiment, the grid side is connected with exterior power supply plant, and exterior power supply plant passes through transformation Access low-pressure side after device decompression, then by low-pressure side power distribution equipment by electrical equipment of the electric power distribution to user side.When outside supplies During electric system continued power, the battery energy storage device can store enough electric energy;And work as exterior power supply plant power failure When, or when high-tension apparatus/transformer is in inspecting state, the battery energy storage device can provide electric energy for transformer station, The power distribution equipment of low-pressure side enable to the power supply for electrical equipment of user side, so as to ensure the power supply reliability of transformer station;Enter One step, when electric power system whenever necessary, the battery energy storage device can also be grid side power, so as to play to electric power system Carry out the effect of peak regulation, Fill valley and phase modulation.
The transformer station that the utility model embodiment provides, by conventional substation, power energy storage equipment and transformation of electrical energy equipment Function be integrated in one, add power energy storage and transformation of electrical energy function to conventional substation, transformer station can not only be improved Power supply reliability, while also make conventional substation that there is the ability for carrying out peak regulation, Fill valley and phase modulation to electric power system.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of wiring schematic diagram for transformer station with battery energy storage device that the utility model embodiment provides.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
The utility model embodiment provides a kind of transformer station with battery energy storage device, as shown in figure 1, the transformer station Including transformer 30 and the power distribution equipment being arranged between grid side 10 and user side 20, and battery energy storage device;Wherein, institute State battery energy storage device to be used to store electric energy when there is power supply supply in transformer station, non-transformer provides electric energy when supplying.
It should be noted that:The signified transformer station of the utility model embodiment include general transformer station, box-type substation, with And the diversified forms such as assembly transformer substation;Therefore, the transformer station with battery energy storage device also includes with battery accordingly General transformer station, the box-type substation with battery energy storage device and the combination with battery energy storage device of energy storage device The diversified forms such as transformer station.In addition, transformer station described here includes larger transformer station and the electric substation of scale is smaller, Repeat no more later.
In the utility model embodiment, the grid side 10 is connected with exterior power supply plant, and exterior power supply plant passes through Transformer 30 accesses low-pressure side 40 after being depressured, then is set electricity consumption of the electric power distribution to user side 20 by the power distribution equipment of low-pressure side 40 It is standby.When exterior power supply plant continued power, the battery energy storage device can store enough electric energy;And work as externally fed system During power failure of uniting, or when high-tension apparatus/transformer is in inspecting state, the battery energy storage device can be transformer station There is provided electric energy so that the power distribution equipment of low-pressure side 40 can give the power supply for electrical equipment of user side 20, so as to ensure transformer station Power supply reliability.Further, when electric power system whenever necessary, the battery energy storage device can also be grid side 10 power, from And play a part of carrying out peak regulation, Fill valley and phase modulation to electric power system.
The transformer station that the utility model embodiment provides, by conventional substation, power energy storage equipment and transformation of electrical energy equipment Function be integrated in one, add power energy storage and transformation of electrical energy function to conventional substation, transformer station can not only be improved Power supply reliability, while also make conventional substation that there is the ability for carrying out peak regulation, Fill valley and phase modulation to electric power system.
Preferably, as shown in figure 1, the battery energy storage device includes transverter 51, electrokinetic cell heap 52, battery management system System 53 and EMS 54;The transverter 51 is arranged between the electrokinetic cell heap 52 and substation low-voltage side 40.
Wherein, the electrokinetic cell heap 52 is used to store electric energy;The battery management system 53 is used for the power electric Pond heap 52 is managed;The transverter 51 is charged for transformer station to the electrokinetic cell heap 52 and the electrokinetic cell heap 52 AC/DC conversion;The EMS 54 is used to control the transverter 51 to the electrokinetic cell heap 52 The inversion of charging and the transverter 51 to the substation low-voltage side.
In thermal energy storage process, by the transformer 30 decompression alternating current through the transverter 51 when, the energy Management system 54 controls the transverter 51 to convert alternating current to direct current, is charged for the electrokinetic cell heap 52, together Shi Suoshu battery management systems 53 control the charging current of the electrokinetic cell heap 52 and voltage to be no more than permissible value;Powering Cheng Zhong, when the electric energy stored in the electrokinetic cell heap 52 flows through the transverter 51, the EMS 54 controls institute Transverter 51 is stated by converting direct-current power into alternating-current power, provides electric energy for transformer station, while the battery management system 53 controls institute The discharge current and voltage for stating electrokinetic cell heap 52 are no more than permissible value.
So, when 10 continued power of grid side, the EMS 54 controls the transverter 51 to institute State electrokinetic cell heap 52 to be charged, the battery management system 54 is managed the electric energy of the electrokinetic cell heap 52;When During 10 power failure of grid side, the EMS 54 controls the transverter 51 to carry out the substation low-voltage side 40 Inversion, so that the direct current being stored in the electrokinetic cell heap 52 is converted into alternating current by the transverter 51, and continue Powered by the controller switching equipment of transformer station to user side 20, so as to improve to the reliability to customer power supply.Further, confession is worked as Electric system whenever necessary, can also be transformed into the direct current being stored in the electrokinetic cell heap 52 by the transverter 51 Alternating current, powered to grid side 10, so as to play a part of carrying out peak regulation, Fill valley and phase modulation to electric power system.
Optionally, the battery energy storage device also includes control module and protection module, and its function can specifically pass through prison Control computer 60 is realized.Here, described control module can be used for the state that the battery energy storage device is monitored and controlled, with It is easy to that the battery management system and the EMS is adjusted;The protection module can store up to the battery Energy device plays protective action, to improve its service life.
In the utility model embodiment, the electrokinetic cell heap can be the electricity being combined into by multiple single power batteries Pond group;Wherein, the single power battery can be sodium-sulphur battery, flow battery, lead-acid battery, ferric phosphate lithium cell, power Any of capacitor batteries, nano-capacitors battery, Ni-H 2 power capacitor batteries and capacitor type lithium battery, and not limited to this.
In the utility model embodiment, the transverter can be two-way inverter, bi-directional inverter and by charging Any of transverter that machine is combined into inverter, and not limited to this, as long as being that by the electrokinetic cell heap The AC/DC mapping function of charging and the electrokinetic cell heap, within the scope of protection of the utility model.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledges in the art of the disclosure Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.

Claims (3)

1. a kind of transformer station, including the transformer and power distribution equipment being arranged between grid side and user side;Characterized in that, institute Stating transformer station also includes battery energy storage device;
Wherein, the battery energy storage device is used to store electric energy when there is power supply supply in transformer station, and electricity is provided when non-transformer is supplied Energy;
The battery energy storage device includes transverter, electrokinetic cell heap, battery management system and EMS;
The transverter is arranged between the electrokinetic cell heap and substation low-voltage side;
Wherein, the electrokinetic cell heap is used to store electric energy;
The battery management system is used to be managed the electrokinetic cell heap;
The transverter is used for transformer station and become to the AC/DC of electrokinetic cell heap charging and the electrokinetic cell heap Change;
The EMS is used to control charging and the transverter pair of the transverter to the electrokinetic cell heap The inversion of the substation low-voltage side;
In thermal energy storage process, during by the alternating current of the transformer pressure-reducing through the transverter, the EMS Control the transverter to convert alternating current to direct current, charged for the electrokinetic cell heap, while the battery management System controls the charging current of the electrokinetic cell heap and voltage to be no more than permissible value;
In power supply process, when the electric energy stored in the electrokinetic cell heap flows through the transverter, the EMS The transverter is controlled by converting direct-current power into alternating-current power, provides electric energy for transformer station, while the battery management system controls The discharge current of the electrokinetic cell heap is no more than permissible value with voltage;
The battery energy storage device also includes control module and protection module;
Described control module is used for the state that the battery energy storage device is monitored and controlled, in order to the battery management system System and the EMS are adjusted;The protection module can play protective action to the battery energy storage device, To improve its service life.
2. transformer station according to claim 1, it is characterised in that the electrokinetic cell heap is by multiple single power batteries The battery pack being combined into;
Wherein, the single power battery includes sodium-sulphur battery, flow battery, lead-acid battery, ferric phosphate lithium cell, power electric capacity Any of battery, nano-capacitors battery, Ni-H 2 power capacitor batteries and capacitor type lithium battery.
3. transformer station according to claim 1, it is characterised in that the transverter includes bi-directional inverter or by charger The transverter being combined into inverter.
CN201621132601.9U 2016-10-18 2016-10-18 A kind of transformer station Expired - Fee Related CN206992777U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621132601.9U CN206992777U (en) 2016-10-18 2016-10-18 A kind of transformer station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621132601.9U CN206992777U (en) 2016-10-18 2016-10-18 A kind of transformer station

Publications (1)

Publication Number Publication Date
CN206992777U true CN206992777U (en) 2018-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621132601.9U Expired - Fee Related CN206992777U (en) 2016-10-18 2016-10-18 A kind of transformer station

Country Status (1)

Country Link
CN (1) CN206992777U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483454A (en) * 2021-11-30 2022-05-13 大唐渭南热电有限公司 Wind-solar-storage integrated power generation system based on nano-capacitor battery energy storage technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483454A (en) * 2021-11-30 2022-05-13 大唐渭南热电有限公司 Wind-solar-storage integrated power generation system based on nano-capacitor battery energy storage technology

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Granted publication date: 20180209

Termination date: 20181018