CN205644265U - Light current measurement system's energy control system in ultra -high voltage environment - Google Patents

Light current measurement system's energy control system in ultra -high voltage environment Download PDF

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Publication number
CN205644265U
CN205644265U CN201620447943.3U CN201620447943U CN205644265U CN 205644265 U CN205644265 U CN 205644265U CN 201620447943 U CN201620447943 U CN 201620447943U CN 205644265 U CN205644265 U CN 205644265U
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China
Prior art keywords
voltage
module
weak electric
circuit
electric measuring
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CN201620447943.3U
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Chinese (zh)
Inventor
刘元庆
吕建勋
李琦
袁海文
陆家榆
杨晓洪
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Beihang University
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shanxi Electric Power Co Ltd
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Beihang University
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shanxi Electric Power Co Ltd
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Priority to CN201620447943.3U priority Critical patent/CN205644265U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Measurement Of Current Or Voltage (AREA)

Abstract

The utility model discloses a light current measurement system's energy control system in ultra -high voltage environment, including control module, power module, operation protective film piece, high -temperature early warning module and short circuit protective film piece, power module is used for providing multiple driving voltage and realizes the low -voltage early warning, it is poor that operation protective film piece is used for forming reaction time to impulse current, the high -temperature early warning module is used for inside temperature real -time supervision and early warning, control module is used for keeping apart light current measurement system and experimental transmission line. The utility model discloses a technical scheme can effectual realization power management, guarantees the electrical safety nature of each module of light current measurement system, deals with each item disturbing influence to the impulse current the ultra -high voltage environment under, the inside high temperature of equipment, system's isolation comprehensively systematically.

Description

The energy control system of weak electric measuring system in a kind of super extra-high voltage environment
Technical field
This utility model belongs to extra-high voltage field, particularly relates to weak electric measuring in a kind of super extra-high voltage environment The energy control system of system.
Background technology
In order to ensure that measurement data is accurate, equipment normal table works, and common measurement system is in design When all can add some jamproof means, as in order to resist electromagnetic interference add electromagnetic shielding shell Body, introduces the conventional meanses such as signal conditioning circuit.As patent application " has the letter of electro-magnetic screen function Number conditioning plate " in, for a kind of band electromagnetic shielding of underwater sailing body homing system corollary equipment design Signal regulating panel, its mentality of designing mainly starts with in terms of two: first, and design shield shell will Internal circuit wraps up;Second design special circuit plate, including signal attenuation, filter, isolate, Level conversion and power conversion unit circuit, each unit circuit uses modularized design, and uses big Small-signal separates, the custom circuit Electro Magnetic Compatibility processing mode such as transformer isolation and power filter.
But the reply of these conventional meanses is owing in super extra-high voltage environment, electric pressure is high, disturb complicated feelings Condition is the most inadequate, it is impossible to tackle the special disturbance regime under super extra-high voltage environment.It is operated in this ring Weakness under border is measured at the power control circuit of system in addition to by factors such as common electromagnetic interference, Also easily caused its disabler by sudden big current interference, various special circumstances, as When actual application mesohigh generator voltage is down to meeting blood pressure lowering ground connection during about 50kV, now due to circuit On also have a large amount of residual charge, there will be the biggest dash current on circuit by causing, if survey Amount system is not added with any safeguard procedures, and its measurement apparatus and energy control system easily receive big pulse electricity The impact of stream, causes device damage, measures the serious consequences such as system module is punctured.
Additionally, the weak electric measuring system under super extra-high voltage environment uses at a high speed to reduce environmental disturbances High-performance capture card, photoelectric conversion device etc., these equipment electricity consumption situations are different, are required for tool Body situation provides different power voltage.And high speed acquisition easily occurs in the case of being stuck in high speed operation Heating problem, adds that weak electric measuring equipment is in electromagnetic shielding body, is in outdoor solar light direct projection daytime State, internal temperature is the most too high, affects equipment safety;After light current test system stalls, The electric current on test wire is still had to enter in test system.There is presently no for above-mentioned super extra-high pressure ring The weak electric measuring system worked under border provides complete set, system, comprehensively, and high reliability and height The control system of continuation of the journey design.
Utility model content
For the deficiencies in the prior art, this utility model provides weak electric measuring in a kind of super extra-high voltage environment The energy control system of system, it is achieved that under super extra-high voltage environment, the power supply that realizes of weak electric measuring system turns Change, the function of equipment protection, ensure the safe and reliable work of equipment, improve the working time.
The technical scheme that this utility model is used is as follows:
First aspect, it is provided that the energy control system of weak electric measuring system in a kind of super extra-high voltage environment, It is characterized in that, including control module, power module, running protection module, high temperature warning module and Short circuit protection module;Wherein, described power module connects described control module, running protection mould respectively Block, high temperature warning module and short circuit protection module, be used for providing multiple driving voltage for providing multiple Driving voltage and realize low-voltage early warning;The two ends of described running protection module connect described light current respectively The measurement equipment of measurement system and sensor, poor for dash current is formed the response time;Described height Temperature warning module connects described control module, for monitoring real-time to internal temperature and early warning;Described control Molding block connects described short circuit protection module, is used for isolating described weak electric measuring system and test power transmission line Road.
In conjunction with first aspect, in the embodiment that the first is possible, described control module includes micro-process Device, power down preventing circuit, electrical level transferring chip, at least one silicon gate CMOS device, Darlington crystal Pipe array and at least two group relay control circuits;Wherein, the outfan of described microprocessor connects respectively Connect described silicon gate CMOS device, the outfan of described silicon gate CMOS device connect respectively described in reach woods Transistor array, the outfan of described darlington transistor array connects described control relay circuit.
In conjunction with the embodiment that the first is possible, in the embodiment that the second is possible, described power supply Module includes at least three group decompression voltage regulators and least one set voltage reversing circuit;Wherein, described fall Pressure mu balanced circuit provides 5V, 6V and 5V5A tri-kinds of burning voltages respectively, described voltage reversing circuit bag Including controllable accurate source of stable pressure and voltage comparator, the outfan of described controllable accurate source of stable pressure accesses described The input of voltage comparator.
In conjunction with the embodiment that the second is possible, in the embodiment that the third is possible, described blood pressure lowering The 5V burning voltage of mu balanced circuit, provides electricity for described weak electric measuring internal system photoelectric conversion module Source;The 6V burning voltage of described decompression voltage regulator, for the capture card of described weak electric measuring internal system Power supply is provided;The 5V5A burning voltage of described decompression voltage regulator, in described weak electric measuring system The USB extender in portion provides power supply.
In conjunction with the embodiment that the third is possible, in the 4th kind of possible embodiment, described voltage The input of comparator is also associated with voltage collection circuit, described voltage collection circuit include lithium battery and Slide rheostat.
In conjunction with any one possible embodiment of first aspect to the 4th kind, the 5th kind of possible reality Executing in mode, described running protection circuit includes Transient Suppression Diode and the gas discharge being arranged in parallel Pipe;Wherein, the described sensor signal outfan of described weak electric measuring system connects described running protection Circuit, the described measurement equipment input of described weak electric measuring system connects described running protection circuit.
In conjunction with the 5th kind of possible embodiment, in the 6th kind of possible embodiment, described high temperature Warning module includes temperature sensor;Wherein, described temperature sensor is connected with described microprocessor, Described microprocessor judges whether to start according to the temperature data that described temperature sensor gathers reports to the police and closes Close described weak electric measuring system.
In conjunction with the 6th kind of possible embodiment, in the 7th kind of possible embodiment, described short circuit Protection module includes least one set relay and at least two group Phototube Coupling pipes;Wherein, described at least two The outfan of group Phototube Coupling pipe connects the input of described least one set relay respectively, described at least The input of two groups of Phototube Coupling pipes connects the outfan of described darlington transistor array respectively.
Compared with prior art, system provided by the utility model, reach following technique effect:
1, by arranging power module, electric energy management can effectively be realized, in weak electric measuring system Distinct device different driving voltage is provided, it is ensured that the electrical safety of each equipment of weak electric measuring system, The reliability of enhancing system.
2, by arranging running protection module, when can produce the biggest dash current on the line, The serious consequences such as protection weak electric measuring equipment prevents from being punctured, device damage.
3, by arranging high temperature warning module, can send out when weak electric measuring internal system temperature is too high Warning of being out of order indicates, and is automatically switched off weak electric measuring system, it is ensured that the safety that system is run.
4, by arranging short circuit protection module, can be after weak electric measuring system stalls on test wire The electric current retained and weak electric measuring isolation of system, it is ensured that security of system does not affect entering of other measurements simultaneously OK.
Accompanying drawing explanation
Fig. 1 is the control system population structure schematic diagram of this utility model embodiment;
Fig. 2 is the control module circuit diagram of this utility model embodiment;
Fig. 3 is three groups of decompression voltage regulator figures of this utility model embodiment;
Fig. 4 is the voltage reversing circuit figure of this utility model embodiment;
Fig. 5 is the running protection module circuit diagram of this utility model embodiment;
Fig. 6 is the high temperature warning module structure chart of this utility model embodiment;
Fig. 7 is the running protection module circuit diagram of this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, but not as new to this practicality The restriction of type.
As it is shown in figure 1, this utility model embodiment provides weak electric measuring in a kind of super extra-high voltage environment The energy control system of system, pre-including control module, power module, running protection module, high temperature Alert module and short circuit protection module;Wherein, power module link control module, running protection mould respectively Block, high temperature warning module and short circuit protection module, be used for providing multiple driving voltage and realizing low-voltage Early warning;The two ends of described running protection module connect respectively described weak electric measuring system measurement equipment and Sensor, poor for dash current is formed the response time;High temperature warning module link control module, For monitoring real-time to internal temperature and early warning;Control module connects short circuit protection module, is used for isolating Weak electric measuring system and test transmission line of electricity.
As in figure 2 it is shown, wherein, control module be responsible for described energy control system and host computer interactive communication, Data process and control other module of energy control system.Concrete, described control module includes micro- Processor, power down preventing circuit, electrical level transferring chip, at least one silicon gate CMOS device, Darlington Transistor array and at least two group relay control circuits.Microprocessor is that AT89C4051-24PU is micro- Processor, power down preventing circuit is made up of MAX813 cake core, and electrical level transferring chip is MAX2321 Type single supply electrical level transferring chip, silicon gate CMOS device is six 74HC04 types Si-gates at a high speed Cmos device, the model of darlington transistor array is MC1413B type, and two group relaies are DS2E-SL2 type relay (RELAY1 and RELAY2).
P1.2, P1.3, P1.4, P1.5, P1.6, P1.7 outfan of microprocessor connects silicon gate CMOS respectively Device, the output of silicon gate CMOS device be respectively connected to the IN1 of darlington transistor array, IN2, IN3, IN4, IN5, IN6, output OUT1, OUT3 of darlington transistor array are respectively connected to relay The SET-mouth of RELAY1, RELAY2, the RESET-mouth of relay R ELAY1 and RELAY2 RESET-mouth, relay R ELAY1, the input port of SET+ with RESET+ of RELAY2 connect 12V voltage, RST1, RST2 mouth is without input.RXD, TXD mouth of microprocessor and single supply electricity R1OUT, T1IN mouth of flat conversion chip is connected.
Wherein, control module Internal Control Procedure can be according to the duty of current weak electric measuring system Control relay R ELAY1, the break-make of RELAY2, then realize the break-make of 6V, 5V5A power supply. Control the capture card in weak electric measuring system and USB extender cuts out and opens.Although in prior art There is a lot of control circuit controlling on/off, but it solves the technical problem that beating of only power supply Open and close, it is achieved the work of system starts and stops, it is impossible in system work process, to realize local The control of power supply, effectively realizes the management of electric energy and the control to equipment component.And, weak electric measuring The power supply mode of system is to be provided by lithium battery, and the Renewal process of which is complex, needs artificial The mode of climbing tower completes, and replacement cost is high, in order to extend the use time of lithium battery, it is achieved electric energy Effectively management, designs following control model.Weak electric measuring system uses gathering signal data when Be that interval gathers, i.e. user sets acquisition interval (30S~60S) and carries out the collection of a 15S, passes System power supply mode can be in treat all in power supply state, high-speed collection card, USB extender in the whole cycle Machine duty, the energy wastes, and between energy control system can be according to the collection of user setup Every, turn off the generation of 6V and 5V5A power supply at interval stage by relay, thus turn off and adopt at a high speed Truck USB extender equipment, energy efficient.
As it is shown on figure 3, power module includes that at least three group decompression voltage regulators and least one set voltage are anti- Shifting circuit.Wherein, decompression voltage regulator provides 5V, 6V and 5V5A tri-kinds of burning voltages respectively.Tool Body, the decompression voltage regulator that first group of mu balanced circuit uses LM2575S-5 voltage stabilizing chip to constitute, will The photovoltaic conversion that lithium battery in energy control system provides is 5V burning voltage, for weak electric measuring system Other relevant devices of internal photoelectric conversion module and energy control system use;Second group of blood pressure lowering is steady Volt circuit uses LM2678-ADJ voltage stabilizing chip to coordinate the decompression voltage regulator that slide rheostat is constituted, The photovoltaic conversion provided by lithium battery in energy control system is 6V burning voltage, for weak electric measuring system The internal capture card of system uses, wherein the INPUT end of voltage stabilizing chip and the RELAY1 relay of control module Device COM1 end is connected, and supply voltage is connected with RELAY1 relay SET1 end, it is achieved by controlling Module controls operation;The blood pressure lowering of the 3rd group of decompression voltage regulator use LM2678-5 voltage stabilizing chip composition is steady Volt circuit, the photovoltaic conversion provided by the lithium battery in energy control system is that 5V5A burning voltage is defeated Go out, for weak electric measuring internal system USB extender, the INPUT of wherein said voltage stabilizing chip End is connected with the RELA2 relay COM1 end of described control module, supply voltage and RELAY2 Relay SET1 end is connected, it is achieved controlled operation by control module.
Although the power module provided in prior art can provide different voltage, but at output electricity In the type of pressure relatively more single, it is impossible to meet distinct device in weak electric measuring system power demands and Work requirements;Secondly, in extra-high voltage and ultra-high voltage environment, the stability requirement to voltage is high, existing The voltage stability that power module in technology provides is poor, is unfavorable for the properly functioning of equipment.Pass through Three groups of different voltage stabilizing reduction voltage circuits, can be that the distinct device in weak electric measuring system provides different Driving voltage, distinct device keeps good working order, effectively realizes the management to electric energy, protects Demonstrate,prove the electrical safety of each equipment.
As shown in Figure 4, voltage reversing circuit includes TL431 controllable accurate source of stable pressure and LM311N electricity Pressure comparator, it is main mu balanced circuit output 2.5V standard stabiliser voltage that lithium battery accesses TL431, can To realize the monitoring to cell voltage.TL431 is that main circuit output end of pressure-stabilizing accesses LM311N electricity Pressure No. 3 pin inputs of comparator, No. 2 pin inputs of voltage comparator access lithium battery and slip The voltage collection circuit that rheostat circuit is constituted, coordinates the regulation of slide rheostat to arrange different voltage Warning value.
Voltage reversing circuit can regulate the position of slide rheostat as required, thus arranges different Voltage warning value, running protection circuit protects weak electric measuring system extra-high voltage direct-current ring according to this warning value Run under border and do not affected by pulse shock electric current.
As it is shown in figure 5, running protection circuit includes that the Transient Suppression Diode being arranged in parallel and gas are put Fulgurite;Wherein, the sensor signal outfan of weak electric measuring system connects running protection circuit, light current The measurement equipment input of measurement system connects running protection circuit.Concrete, in weak electric measuring system In measurement equipment and sensor between set up two-stage safeguard procedures, first order protection is suppressed two by transient state Pole pipe TVS3 forms;Second level protection is made up of gas-discharge tube Gas1.Come from protection circuit characteristic Saying, the TVS3 tube reaction time is ns rank, and gas-discharge tube Gas1 is μ s level.Therefore, can lead to Cross the difference in its response time effectively to protect the equipment in energy control system to exempt to puncture.
The high tension generator of extra-high voltage direct-current test line segment carries out blood pressure lowering ground connection when, on circuit also There is a large amount of residual charge, there will be the biggest dash current on circuit by causing.By arranging fortune Row protection circuit, can by the difference in response time protection weak electric measuring System on Chip/SoC and equipment from Puncture.
As shown in Figure 6, high temperature warning module includes temperature sensor;Wherein, temperature sensor is with micro- Processor connects, and microprocessor judges whether to start according to the temperature data of temperature sensor collection reports to the police And close weak electric measuring system.Concrete, first pass through DALLAS18B20 temperature sensor collection The internal temperature of weak electric measuring system, by the P3.3 mouth of incoming for data microprocessor, then will collect Temperature compares with the high temperature threshold value in the microprocessor of energy control system, exists if exceeding setting value Latching also carries out fault alarm.
By arranging high temperature warning module, on the one hand real time record internal system temperature regime can be measured also Judge weak electric measuring system is protected by high/low temperature, improve device security;On the other hand can Basis for estimation is increased when breaking down for weak electric measuring system.
As it is shown in fig. 7, short circuit protection module includes least one set relay and at least two group Phototube Coupling Pipe;Wherein, the outfan of at least two group Phototube Coupling pipes is respectively connecting to the input of a few group relay End, the input of at least two group Phototube Coupling pipes connects the outfan of darlington transistor array respectively.
Concrete, OUT5, OUT6 of the MC1413B type darlington transistor array of control module Delivery outlet be respectively connected to No. 2 mouths of two Phototube Coupling pipe OPTOISO1, No. 1 mouth connects+12V electricity Pressure, No. 3 mouth ground connection of output of said two Phototube Coupling pipe OPTOISO1, No. 4 mouths access The input port of SET-and RESET-of DS2E-SL2 type relay R ELAY3.Relay R ELAY3 SET1, SET2 access sensor acquisition come signal.Send out transmission line of electricity when host computer and go out to close weak The when of electrical measuring systems instruction, short circuit protection module will divide weak electric measuring system with transmission line of electricity From, ensure that the electric current on circuit will not enter weak electric measuring system;When host computer sends open command Time, short circuit protection module will be connected weak electric measuring system with transmission line of electricity, starts and measures work.
By arranging Phototube Coupling pipe OPTOISO1, short circuit protection module can be avoided to directly contact Gather signal, prevent from disturbing data.The setting of short circuit protection module makes measurement system and test transmission of electricity Circuit separates, it is ensured that equipment safety, does not the most delay other tests of test circuit and carries out.
This utility model embodiment provides the energy control of weak electric measuring system in a kind of super extra-high voltage environment System processed, it is possible to make weak electric measuring security of system realize corresponding function reliably so that it is tackle super special The impact of dash current, high temperature in environment under high pressure, it is achieved described measurement equipment and extra-high voltage experiment circuit Isolation, the continuous working period of the effective described weak electric measuring system improved, overall weak electric measuring system System reliability is substantially improved, and saves experimental cost.
Described above illustrate and describes some preferred embodiments of the present utility model, but as it was previously stated, It is to be understood that this utility model is not limited to form disclosed herein, is not to be taken as other real Execute the eliminating of example, and can be used for other combinations various, amendment and environment, and can be in reality described herein With in novel contemplated scope, it is modified by above-mentioned teaching or the technology of association area or knowledge.And Change that those skilled in the art are carried out and change, without departing from spirit and scope of the present utility model, are the most all answered In the protection domain of this utility model claims.

Claims (8)

1. the energy control system of weak electric measuring system in a super extra-high voltage environment, it is characterised in that Including control module, power module, running protection module, high temperature warning module and short circuit protection module; Wherein, described power module connects described control module, running protection module, high temperature early warning mould respectively Block and short circuit protection module, be used for providing multiple driving voltage and realizing low-voltage early warning;Described operation The two ends of protection module connect measurement equipment and the sensor of described weak electric measuring system respectively, for right It is poor that dash current forms the response time;Described high temperature warning module connects described control module, for right Internal temperature is monitored and early warning in real time;Described control module connect described short circuit protection module, for every From described weak electric measuring system and test transmission line of electricity.
System the most according to claim 1, it is characterised in that described control module includes micro-place Reason device, power down preventing circuit, electrical level transferring chip, at least one silicon gate CMOS device, Darlington are brilliant Body pipe array and at least two group relay control circuits;Wherein, the outfan of described microprocessor is respectively Connect described silicon gate CMOS device, the outfan of described silicon gate CMOS device connect respectively described in reach Islington transistor array, the outfan of described darlington transistor array connects described Control electricity Road.
System the most according to claim 2, it is characterised in that described power module includes at least Three groups of decompression voltage regulators and least one set voltage reversing circuit;Wherein, described decompression voltage regulator divides You can well imagine for tri-kinds of burning voltages of 5V, 6V and 5V5A, described voltage reversing circuit includes that controllable accurate is steady Potential source and voltage comparator, the outfan of described controllable accurate source of stable pressure accesses described voltage comparator Input.
System the most according to claim 3, it is characterised in that the 5V of described decompression voltage regulator Burning voltage, provides power supply for described weak electric measuring internal system photoelectric conversion module;Described blood pressure lowering is steady The 6V burning voltage of volt circuit, the capture card for described weak electric measuring internal system provides power supply;Described The 5V5A burning voltage of decompression voltage regulator, for the USB extender of described weak electric measuring internal system Power supply is provided.
System the most according to claim 4, it is characterised in that the input of described voltage comparator End is also associated with voltage collection circuit, and described voltage collection circuit includes lithium battery and slide rheostat.
6. according to the system described in claim 1-5 any one, it is characterised in that described operation is protected Protection circuit includes Transient Suppression Diode and the gas-discharge tube being arranged in parallel;Wherein, described light current is surveyed The described sensor signal outfan of amount system connects described running protection circuit, described weak electric measuring system The described measurement equipment input of system connects described running protection circuit.
System the most according to claim 6, it is characterised in that described high temperature warning module includes Temperature sensor;Wherein, described temperature sensor is connected with described microprocessor, described microprocessor The temperature data gathered according to described temperature sensor judges whether to start reports to the police and closes the survey of described light current Amount system.
System the most according to claim 7, it is characterised in that described short circuit protection module includes Least one set relay and at least two group Phototube Coupling pipes;Wherein, described at least two group Phototube Coupling pipes Outfan connect the input of described least one set relay, described at least two group Phototube Coupling respectively The input of pipe connects the outfan of described darlington transistor array respectively.
CN201620447943.3U 2016-05-17 2016-05-17 Light current measurement system's energy control system in ultra -high voltage environment Expired - Fee Related CN205644265U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105785960A (en) * 2016-05-17 2016-07-20 北京航空航天大学 Energy control system of weak current measurement system in extra high voltage environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105785960A (en) * 2016-05-17 2016-07-20 北京航空航天大学 Energy control system of weak current measurement system in extra high voltage environment

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