CN202084997U - Digital integrated AC/DC power supply chief monitoring device - Google Patents

Digital integrated AC/DC power supply chief monitoring device Download PDF

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Publication number
CN202084997U
CN202084997U CN201120178366XU CN201120178366U CN202084997U CN 202084997 U CN202084997 U CN 202084997U CN 201120178366X U CN201120178366X U CN 201120178366XU CN 201120178366 U CN201120178366 U CN 201120178366U CN 202084997 U CN202084997 U CN 202084997U
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CN
China
Prior art keywords
power supply
power
plug
digital integrated
monitoring
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Expired - Fee Related
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CN201120178366XU
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Chinese (zh)
Inventor
包健
吴新
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Wuxi Sida Sifang Electric Co Ltd
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Wuxi Sida Sifang Electric Co Ltd
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Priority to CN201120178366XU priority Critical patent/CN202084997U/en
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Publication of CN202084997U publication Critical patent/CN202084997U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a digital integrated AC/DC power supply chief monitoring device, comprising a CPU plug-in respectively connected to a sampling plug-in, an input plug-in, an output plug-in, a power supply plug-in and a man-machine interaction module, wherein the power supply plug-in is connected to the man-machine interaction module. The digital integrated AC/DC power supply chief monitoring device, used as the centralized monitoring and management unit of a power supply system, can monitor an AC power supply, a DC power supply, an uninterrupted power source (UPS), an inversion power supply (INV) and a communication power supply (DC/DC) which are used a station and the like. The digital integrated AC/DC power supply chief supervising device can be connected to a background device of a transformer station through IEC61850 protocol, thus realizing centralized, unified and remote monitoring, maintenance and management of an integrated power supply system.

Description

Digital integrated power of alterating and direct current is always monitored device
Technical field
The utility model relates to the secondary equipment in power system field, and particularly the station is with integrated motor generator generator system.
Background technology
Electric substation (transformer station) is the important part of electric power system, and its operation conditions all has extremely important influence to the national economy every profession and trade.Power supply requirement mainly contains in its station: stand with AC power, DC power supply, communication power supply, ups power, inverter etc.Along with the informationization of modern electric industry, intellectuality, integrated development trend, electric power system is to the requirement also thereupon raising of station with each power-supply system.Each power-supply system all is relatively independent system in the station at present, relatively complicated in work such as the operation maintenance of electric power system, daily monitoring, have many drawbacks: (1) each system lacks perfect monitoring management, and its running status, operational factor are grasped untimely; (2) level of informatization of each system is on the low side; (3) AC power supply system monitoring management function singleness; (4) communication system and UPS and inverter system all are furnished with storage battery, and daily management is safeguarded loaded down with trivial details, and the wasting of resources is big; (5) existing each power-supply system mainly is monitoring, measuring management, lacks the controlled function of major function unit; (6) communication protocol does not meet the IEC standard, brings obstacle for developing intelligent grid in the future.
The utility model content
At the problems referred to above, the utility model provides a kind of digital integrated power of alterating and direct current always to monitor device.As the centralized monitor administrative unit of station power source system, simultaneously monitoring station is with AC power, DC power supply, ac uninterrupted power supply (UPS), inverter (INV) and communication power supply equipment such as (DC/DC).Can be connected with the transformer station background devices by the IEC61850 stipulations, realize the concentrating of integration power-supply system, unification, remote monitoring maintenance are managed.
The technical solution of the utility model is as follows:
A kind of digital integrated power of alterating and direct current is always monitored device, it is characterized in that: comprise CPU card, described CPU card connects sampling plug-in respectively, opens into plug-in unit, leaves plug-in unit, power insert and human-computer interaction module, and described power insert is connected with human-computer interaction module.
Its further technical scheme is: also comprise the communication interface that is connected with CPU card and satellite to the time interface.
And its further technical scheme is: realize data interaction and message transmission by bus communication and AC power, DC power supply, communication power supply, ups power, inverter.Can insert in the intelligent grid master system information exchange of realization system and electric substation automation system by communication interface and IEC61850 stipulations.
Useful technique effect of the present utility model is:
The utility model all adopts technical grade DSP digital signal processor, has high arithmetic speed, multi-functional, high integration etc.Select for use performance, low energy-consumption electronic device to realize the modularization plate, adopt self-cold radiating, have multinomial functions such as the monitoring of interchange, direct-current supervision, communication power supply monitoring, ups power monitoring and inverter monitoring, are furnished with Ethernet, optical fiber, RS485, CAN bus etc. on the communication interface, program is equipped with CDT, MODBUS, multiple communication protocols such as IEC103, IEC61850, the convenient digital intelligent electrical network that inserts is realized " four is distant " function.Communication port, analog quantity channel, switching value passage have all adopted photoelectric isolation technology, meet the high-grade immunity standard of IEC, guarantee that system works is reliable and stable.Device itself integrates screen displaying and LCD display interface, and two kinds of display modes are optional, and human-computer interaction interface provides Chinese and English language menu, can satisfy different customer demands.
Description of drawings
Fig. 1 is a formation block diagram of the present utility model.
Fig. 2 is an application drawing of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
The formation of utility model as shown in Figure 1.By sampling plug-in 1, open into plug-in unit 2, CPU card 3, leave plug-in unit 4, power insert 5 and human-computer interaction module 6 and constitute, also comprise communication interface and satellite to the time interface.Cabinet adopts standard 4U cabinet, and each plug-in unit connects by motherboard, adopts the bus type communication to carry out information interaction, and device adopts design of configuration type software function and the design of cordwood system type hardware plate, and systemic-function and plate quantity can be expanded by demand.The function of above-mentioned each module is as follows:
Sampling plug-in 1: be used to gather the electric simulation amount; Comprise electric current input, voltage input, temperature input etc., adopt high accuracy CT, PT to gather current and voltage quantities.
Open into plug-in unit 2: be used to gather the electric switch amount.
CPU card 3: be used for data processing, communication processing, information interaction, program judgement; Comprise DSP microprocessor, memory, switching value input, control output, photoelectricity isolation, analog quantity input shaper etc., adopt the integrated DSP microprocessor of technical grade height, bus does not go out chip, has improved the anti-electromagnetic interference capability of device greatly.
Leave plug-in unit 4: be used for relay and leave control; Adopt midget relay to constitute and leave the loop.
Power insert 5: for this device provides working power; Adopt the AC/DC Switching Power Supply, 5V/12V/24V can be provided.
Human-computer interaction module 6: be used for data demonstration, parameter setting, Artificial Control etc.; Two kinds of display modes of touch-screen and liquid crystal display screen are arranged.Formations such as panel CPU, display device, signal lamp, involution button, action button are arranged, finish keyboard or touch operation response, menu operation, data show, with functions such as CPU card communication, signal indication, involution affirmation.
Communication interface: be used for data interaction, the operation control of each power subsystem; Formations such as Ethernet interface, optical fiber interface, RS485/232 interface, CAN bus interface are arranged.
Satellite to the time interface: be used to insert satellite to the time signal, the calibration clock.
Practical application connected mode of the present utility model as shown in Figure 2.The utility model 16 is realized data interaction and message transmission by bus communication and AC power 11, DC power supply 12, communication power supply 13, ups power 14, inverter 15 etc., finishes data acquisition, data demonstration, operation monitoring and warning, maintenance management, clock synchronization, system's autodiagnosis and recovery etc.; Can insert in the intelligent grid master system information exchange of realization system and electric substation automation system by communication interface and IEC61850 stipulations.
Below each function is described respectively:
(1) Presentation Function
Main interface can show the main wiring diagram of the power-supply system of being managed, and correctly reflects the wiring relation between the various supply units.The state of the position of the switch, each intelligent cell and busbar voltage, electric current should be real time information.Various supply units all have independently sub-interface, show more detailed electric main wiring diagram in the mode of simulation drawing.According to the difference of complexity, sub-interface can be divided into multistage.The information that shows in the interface all is real-time.For the bigger power-supply system of amount of information, can adopt simulation drawing to show various analog quantitys and quantity of state with the mode that tabulation combines.
(2) operation monitoring function
Supervising device can detect demonstration in real time to following operation information: the AC power input parameter; The direct current system operational factor; Batteries running status and parameter; The communication power supply system operational parameters; The ups power operational factor; Inverter operational factor etc.
(3) warning function
The AC power alarm signal; The DC power supply alarm signal; UPS ac uninterrupted power supply alarm signal; The inverter alarm signal; The communication power supply alarm signal; Other alarm signals are (unusual as devices communicating; Plant failure; The lightning arrester fault)
(4) maintenance management function
A) intelligent battery management: have the control program of charging, long-time running, interchange interruption, can finish automatically by preset condition floating charge conversion and control and temperature-compensating adjusting is regulated, all filled to the current-limiting charge of battery; B) parameter is provided with control: supervising device can be set the operational mode of storage battery, charging device and AC power etc.Finish adjusting, control and operational mode change management according to setting, and can realize automatically selecting with manual control to relevant device; C) to the output voltage control precision of charging device should be no more than setting value ± 0.5%, the output current control precision should be no more than ± 0.3A(total current is less than 30A) or setting value ± the 0.5%(total current is more than or equal to 30A); D) abnormality processing control: according to the operating state and the parameter variation tendency of power-supply device, promptly and accurately differentiate unusual or fault type, and implement the unusual service condition restriction automatically.
(5) information exchange of system and electric substation automation system
Can a distant place control station with AC power operational mode, dc charging device operational mode (floating charge, all fill) etc.; Can adjust battery operation maintenance parameters (float charge voltage, even charging voltage etc.) in a distant place; Can transmit that warning message exchanges with monitoring to a distant place, the various electric parameters and the running status of direct current, communication power supply, ups power, inverter system.
(6) clock synchronization function
Supervising device possesses and receives IRIG-B sign indicating number or IEC61588 clock sync signal function, should possess simultaneously software to the time function.Supervising device also has the function to each supply unit forwarded clock synchronizing signal of being managed.To the time trueness error be not more than 10ms.
(7) self diagnosis and self-recovering function
Self diagnosis.Have the inline diagnosis ability, self soft, hardware (comprising each communication interface) operation conditions are diagnosed.When noting abnormalities, reported to the police and record.From recovery.For general software anomaly, should be able to recover normal operation automatically, and keep the operation set point constant.Unusual and can not recover automatically the time when the operation set point, then, reported to the police simultaneously and record with the default value operation.
Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present utility model and design, all should think to be included within the protection range of the present utility model.

Claims (4)

1. a digital integrated power of alterating and direct current is always monitored device, it is characterized in that: comprise CPU card, described CPU card connects sampling plug-in respectively, opens into plug-in unit, leaves plug-in unit, power insert and human-computer interaction module, and described power insert is connected with human-computer interaction module.
2. always monitor device according to the described digital integrated power of alterating and direct current of claim 1, it is characterized in that: also comprise the communication interface that is connected with CPU card and satellite to the time interface.
3. always monitor device according to claim 1 or 2 described digital integrated powers of alterating and direct current, it is characterized in that: realize data interaction and message transmission by bus communication and AC power, DC power supply, communication power supply, ups power, inverter.
4. always monitor device according to claim 1 or 2 described digital integrated powers of alterating and direct current, it is characterized in that: can insert in the intelligent grid master system information exchange of realization system and electric substation automation system by communication interface and IEC61850 stipulations.
CN201120178366XU 2011-05-31 2011-05-31 Digital integrated AC/DC power supply chief monitoring device Expired - Fee Related CN202084997U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120178366XU CN202084997U (en) 2011-05-31 2011-05-31 Digital integrated AC/DC power supply chief monitoring device

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Application Number Priority Date Filing Date Title
CN201120178366XU CN202084997U (en) 2011-05-31 2011-05-31 Digital integrated AC/DC power supply chief monitoring device

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102721881A (en) * 2012-06-05 2012-10-10 广东电网公司电力科学研究院 Online early warning system for station AC (Alternate Current) and DC (Direct Current) integrated power supply system of substation
CN102751789A (en) * 2012-07-13 2012-10-24 上海一德电气科技有限公司 Digital integral power supply system
CN103746451A (en) * 2013-12-24 2014-04-23 四川阿海珐电气有限公司 PLC-based integrated power supply monitoring system and monitoring method
CN103913647A (en) * 2013-01-06 2014-07-09 上海电力通信有限公司 Transformer substation electric energy comprehensive information acquisition terminal
CN104158288A (en) * 2014-07-20 2014-11-19 国家电网公司 Power monitoring device for ultra-capacity customers
CN104503667A (en) * 2015-01-07 2015-04-08 山东鲁能智能技术有限公司 MCGS-based integrated power supply monitoring human-computer interface configuration method
CN105186524A (en) * 2015-08-19 2015-12-23 国家电网公司 Method, device, and system for exceeded capacity of power consumer
CN105762941A (en) * 2016-05-10 2016-07-13 国网山东省电力公司聊城供电公司 Alternating current and direct current integrated power supply master monitoring device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102721881A (en) * 2012-06-05 2012-10-10 广东电网公司电力科学研究院 Online early warning system for station AC (Alternate Current) and DC (Direct Current) integrated power supply system of substation
CN102751789A (en) * 2012-07-13 2012-10-24 上海一德电气科技有限公司 Digital integral power supply system
CN103913647A (en) * 2013-01-06 2014-07-09 上海电力通信有限公司 Transformer substation electric energy comprehensive information acquisition terminal
CN103746451A (en) * 2013-12-24 2014-04-23 四川阿海珐电气有限公司 PLC-based integrated power supply monitoring system and monitoring method
CN104158288A (en) * 2014-07-20 2014-11-19 国家电网公司 Power monitoring device for ultra-capacity customers
CN104503667A (en) * 2015-01-07 2015-04-08 山东鲁能智能技术有限公司 MCGS-based integrated power supply monitoring human-computer interface configuration method
CN104503667B (en) * 2015-01-07 2017-07-18 山东鲁能智能技术有限公司 Integrated power supply monitoring human-computer interface collocation method based on MCGS
CN105186524A (en) * 2015-08-19 2015-12-23 国家电网公司 Method, device, and system for exceeded capacity of power consumer
CN105762941A (en) * 2016-05-10 2016-07-13 国网山东省电力公司聊城供电公司 Alternating current and direct current integrated power supply master monitoring device

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111221

Termination date: 20140531