CN202548239U - Fault recorder unit of power quality conditioner - Google Patents
Fault recorder unit of power quality conditioner Download PDFInfo
- Publication number
- CN202548239U CN202548239U CN2012201387357U CN201220138735U CN202548239U CN 202548239 U CN202548239 U CN 202548239U CN 2012201387357 U CN2012201387357 U CN 2012201387357U CN 201220138735 U CN201220138735 U CN 201220138735U CN 202548239 U CN202548239 U CN 202548239U
- Authority
- CN
- China
- Prior art keywords
- ethercat
- control
- recording unit
- module
- failure wave
- 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 - Lifetime
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a fault recorder unit of a power quality conditioner, and relates to a circuit unit of a control system for AC (alternating current) mains or AC power distribution network equipment. The fault recorder unit of the power quality conditioner is especially suitable for monitoring and controlling the operation and running state of a high voltage AC grid power conditioner, and comprises an EtherCAT (Ethernet for Control Automation Technology) slave controller, a trigger control module, a pre-recorder module and a recorder module, wherein the EtherCAT slave controller is connected to an EtherCAT coupler, and the pre-recorder module and the recorder module are connected to a conditioning controller through the EtherCAT coupler via the EtherCAT slave controller; and a conditioning protection unit is connected to the pre-recorder module and the recorder module through the trigger control module, and the recorder module is connected to a PTCT (power transformer current transformer) input unit through the pre-recorder module. The device shares a signal acquisition unit component with a control system of the power quality conditioner, so that a signal acquisition unit element of a fault recorder is eliminated, the requirements of sampling control of the fault recorder and real-time record are met, and simultaneously, the equipment is simplified, and the manufacturing cost is reduced.
Description
Technical field
The utility model relates to a kind of circuit unit that is used for the control system of ac mains or ac distribution network equipment, especially is applicable to the operation of high-voltage alternating electrical network electric energy adjustment device and the supervision and the control of running status.
Background technology
Modern industry, commerce and residential electricity consumption equipment in the urban distribution network; Like high-performance office equipment, accurate experimental apparatus, frequency control equipment, programmable logic controller (PLC), various automatic assembly line and computer system etc. power supply characteristic is changed the susceptibility load and be ascendant trend year by year, the requirement of the quality of power supply is improved constantly.As far as sensitive users (like semiconductor manufacturing enterprise), the voltage dip of a few tens of milliseconds just possibly cause device damage, production line to stop production, and causes the tremendous economic loss.Meanwhile, the factors such as a large amount of accesses of distributed energy, impact and interference load all make the electrical network quality of power supply have trend, the safe operation of serious threat electric system and the operate as normal of consumer that worsens day by day.
To sensitive load quality of power supply control problem, carried out the research manufacturing of quality of power supply control product both at home and abroad.In the research manufacturing and actual moving process of quality of power supply control device, the failure wave-recording unit is important equipment.China's utility model patent " digitalized fault wave recording device " (application for a patent for invention number: 201010112006 publication numbers: CN101854080A) disclose a kind of digitalized fault wave recording device, having comprised: be used for sampled data analysis and storage main frame, be used to gather the slave of analog data or digital data; Said main frame comprises master cpu plug-in unit, DSP plug-in unit, GOOSE plug-in unit; Said slave comprises electronic mutual inductor; Communication in the said digitalized fault wave recording device is pressed IEC 61850 standards and is carried out, and the master cpu plug-in unit is used to record ripple, communication and manages other plug-in units; Optical fiber interface through said DSP plug-in unit is connected with electronic mutual inductor, is used to receive the data that electronic mutual inductor sends, and execute protection logical calculated and start-up operation; The GOOSE plug-in unit is connected with the GOOSE network through the optical fiber interface on the GOOSE plug-in unit, network interface respectively, is used to receive from the data of the GOOSE network line data of going forward side by side mutual; Electronic mutual inductor is used for electric current and voltage analog data through each circuit of collection of the merge cells on the said electronic mutual inductor or main transformer; Said electronic mutual inductor is gathered the electric current and the voltage analog data of each circuit or main transformer through merge cells, and is sent to said DSP plug-in unit; Said DSP plug-in unit starts the record ripple according to the analog data of reception, and sends record ripple startup trigger pip to said master cpu plug-in unit, by this master cpu plug-in unit electric power system fault is recorded the ripple operation; And send extremely said master cpu plug-in unit of record ripple startup trigger pip, and by this master cpu plug-in unit electric power system fault is recorded the ripple operation, can increase the access port number through expansion slave quantity, be easy to expansion and maintenance, can satisfy the requirement of digital transformer substation.But this device also reckons without and the combining of the electrical network quality of power supply control system of high-power, and does not also solve the technical matters of the system-level malfunction record ripple monitoring of quality of power supply regulating device; This device is as autonomous device design use, and device structure is complicated, and manufacturing cost is high.
The utility model content
The purpose of the utility model is the failure wave-recording unit that a kind of quality of power supply regulating device will be provided; Solve the technical matters of the system-level malfunction record ripple monitoring of quality of power supply regulating device; Completion is to the failure wave-recording of the main electric parameters of quality of power supply regulating device; Realization realizes the protection to main circuit equipment to the real time monitoring and the control of operation of equipment and running status.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of failure wave-recording unit of quality of power supply regulating device is connected to the control system of quality of power supply regulating device through the EtherCAT network, and described control system comprises the PTCT input block; Regulate protected location; The EtherCAT coupling mechanism, adjustment control is characterized in that:
Described failure wave-recording unit comprises EtherCAT from station control, trigger control module, pre-record mode piece and record mode piece;
Described EtherCAT is connected to the EtherCAT coupling mechanism from station control, the described mode piece of pre-recording with record mode piece via EtherCAT from station control, be connected to described adjustment control through the EtherCAT coupling mechanism;
Described adjusting protected location is connected to described mode piece and the record mode piece of pre-recording through trigger control module;
Described record mode piece is connected to the PTCT input block through the mode piece of pre-recording.
A kind of preferable technical scheme of the failure wave-recording unit of the quality of power supply regulating device of the utility model is characterized in that described failure wave-recording unit adopts the plate card type structure, and described EtherCAT comprises the LVDS EBI from station control; Described failure wave-recording unit is connected to described PTCT input block through the LVDS EBI.
A kind of improved technical scheme of the failure wave-recording unit of the quality of power supply regulating device of the utility model; It is characterized in that described failure wave-recording unit also comprises ethernet interface module; Described failure wave-recording unit is connected to the monitor terminal of Local or Remote through ethernet interface module.
The beneficial effect of the utility model is:
1. the failure wave-recording unit of the quality of power supply regulating device of the utility model; Through adopting real-time serial industry ethernet (EtherCAT) technology; Realized combining closely with the control system of quality of power supply regulating device; Improved the real-time control effect of failure wave-recording, can realize real time monitoring and control, realized protection main circuit equipment to operation of equipment and running status.
2. through the plate card type structure; Share the signal gathering unit parts with the control system of quality of power supply regulating device; Omitted the requisite signal gathering unit key element of existing fault wave recording device; When satisfying control of fault wave recording device parallel sampling and the requirement of electric power networks SOE real time record, simplified equipment, reduced manufacturing cost.
3. based on the ethernet communication technology, make the failure wave-recording unit of the quality of power supply regulating device of the utility model, have good expanded function and remote monitoring function is arranged.
Description of drawings
Fig. 1 is the main circuit diagram of failure wave-recording unit of the quality of power supply regulating device of the utility model;
Fig. 2 is the main circuit diagram of the control system of quality of power supply regulating device.
The label of each parts in more than scheming: 100-three-phase supply, 800-quality of power supply regulating device, 810-master control subsystem, 811-master control EtherCAT main website; The 812-PTCT input block, 813-regulates protected location, 814-failure wave-recording unit, 815-switching value input block; 816-switching value output unit, 820-communication coupled subsystem, 821-module EtherCAT main website, 822-EtherCAT coupling mechanism; The 830-adjustment control, the 910-Ethernet switch, the 920-PC monitor terminal, 8141-EtherCAT is from station control; The 8142-trigger control module, the 8143-mode piece of pre-recording, 8144-record mode piece.
Embodiment
In order to understand the technique scheme of the utility model better, be explained in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 2 is the main circuit diagram of the control system of quality of power supply regulating device, comprises master control subsystem 810, communication coupled subsystem 820 and 3n adjustment control 830, wherein n >=1; Described quality of power supply regulating device 800 comprises 3n power cell (not shown); Be connected respectively on the three phase network 100; Corresponding respectively each power cell that is connected to quality of power supply regulating device 800 of described adjustment control 830, master control subsystem 810 is connected respectively to each adjustment control 830 through communication coupled subsystem 820; Communication coupled subsystem 820 comprises the module EtherCAT main website 821 that is connected on the LVDS interface, and at least one EtherCAT coupling mechanism 822, connects and composes module EtherCAT network mutually with the EtherCAT slave station; Adjustment control constitutes the EtherCAT slave station, via the EtherCAT coupling mechanism, is connected to module EtherCAT network, regulates protected location 813 and isolates through optocoupler or optical fiber, is connected to adjustment control 830.As shown in Figure 2; The master control subsystem 810 of the control system of quality of power supply regulating device; Comprise master control EtherCAT network and master control EtherCAT main website 811, and PTCT input block 812, adjusting protected location 813, failure wave-recording unit 814, switching value input block 815 and switching value output unit 816.The control system of quality of power supply regulating device also comprises Ethernet interface, and master control subsystem 810 and communication coupled subsystem 820 through Ethernet interface and Ethernet switch 910, are connected to Local or Remote PC monitor terminal 920.
Fig. 1 is the main circuit diagram of failure wave-recording unit of the quality of power supply regulating device of the utility model, and failure wave-recording unit 814 is connected to the control system of quality of power supply regulating device 800 through the EtherCAT network, and described control system comprises PTCT input block 812; Regulate protected location 813; EtherCAT coupling mechanism 822, adjustment control 830, failure wave-recording unit 814 comprise that EtherCAT is from station control 8141; Trigger control module 8142, pre-record mode piece 8143 and record mode piece 8144.EtherCAT is connected to EtherCAT coupling mechanism 822 from station control 8141; Pre-record mode piece 8143 with record mode piece 8144 via EtherCAT from station control 8141; Be connected to adjustment control 822 through EtherCAT coupling mechanism 822, obtain the electric current and the voltage signal of quality of power supply regulating device power cell.Regulate protected location 813 through trigger control module 8142, be connected to pre-record mode piece 8143 and record mode piece 8144, when adjusting protected location 813 detects system exception, send enabling signal and start the record ripple through trigger control module 8142.Record mode piece 8144 is connected to PTCT input block 812 through the mode piece 8143 of pre-recording, and obtains the voltage and current signal of three-phase supply 100 through PTCT input block 812.
In an embodiment of the failure wave-recording unit of the quality of power supply regulating device of the utility model, failure wave-recording unit 814 adopts the plate card type structures, and EtherCAT comprises the LVDS EBI from station control 8141; Failure wave-recording unit 814 is connected to PTCT input block 812, referring to Fig. 2 through the LVDS EBI.PTCT input block 812 is connected to failure wave-recording unit 814 through master control EtherCAT network; Adjustment control 830 through module EtherCAT network, is connected to failure wave-recording unit 814 via EtherCAT coupling mechanism 822.
When power equipment generation remote signalling displacement, electrical protection apparatus or intelligent electric power instrument can be noted displacement time, displacement reason etc. automatically, form sequence of events recording, so that ex-post analysis generally abbreviates SOE (Sequence of Event) record as.Regulate protected location 813 through master control EtherCAT network; Be connected to failure wave-recording unit 814; Control fault record ripple unit 814; The situation of change of record or each electric parameters of playback when fault takes place or needs, transmission, storage and demonstration recorder data and related content are in order to query analysis event of failure and system state.The record wave energy is in the wavy attitude of pre-recording under situation about not being triggered, the mode piece 8143 of pre-recording writes down the data of at least 4 cycles in advance; After the record wave energy is triggered; The data of a period of time (for example 188 cycles) after record mode piece 8144 continuous recordings trigger; And through the host computer in the EtherCAT network notice control system; After receiving the upload command that the data host computer assigns, host computer is delivered to recorder data in failure wave-recording unit 814.Again get into the wavy attitude of pre-recording then, wait for next time and triggering.
In the embodiment of the failure wave-recording unit of the quality of power supply regulating device of the utility model shown in Figure 1; Failure wave-recording unit 814 also comprises ethernet interface module; Failure wave-recording unit 814; Be connected to the monitor terminal 920 of Local or Remote through ethernet interface module, monitor terminal 920 can be used as described host computer, carries out the storage and the playback process of recorder data.Failure wave-recording unit 814 can also pass through Ethernet interface, is connected to Local or Remote PC monitor terminal 920, accomplishes CONFIG.SYS and parameter regulation, perhaps uploads information such as SOE.
Fig. 2 is an embodiment main circuit diagram of the control system of quality of power supply regulating device; As shown in Figure 2; The master control subsystem 810 of quality of power supply regulating device; Comprise master control EtherCAT network and master control EtherCAT main website 811, and PTCT input block 812, switching value input block 815 and switching value output unit 816; Regulating protected location 813 is connected in the master control subsystem 810 of quality of power supply regulating device 800.The ac voltage signal input end of PTCT input block 812; (PT) is connected to three phase network 100 through voltage transformer (VT), the ac current signal input end of PTCT input block 812, and (CT) is connected to three phase network 100 through current transformer; PTCT input block 812; Through master control EtherCAT network (LVDS interface), be connected to failure wave-recording unit 814, put up with and give data and send failure wave-recording unit 814 to.
As shown in Figure 2, the control system of quality of power supply regulating device comprises master control subsystem 810, communication coupled subsystem 820 and 3n adjustment control 830, wherein n >=1; Described quality of power supply regulating device 800 comprises 3n power cell (not shown); Be connected respectively on the three phase network 100; Corresponding respectively each power cell that is connected to quality of power supply regulating device 800 of described adjustment control 830, master control subsystem 810 is connected respectively to each adjustment control 830 through communication coupled subsystem 820.Communication coupled subsystem 820 comprises the module EtherCAT main website 821 that is connected on the LVDS interface, and at least one EtherCAT coupling mechanism 822, connects and composes module EtherCAT network mutually with the EtherCAT slave station; Adjustment control constitutes the EtherCAT slave station; Via the EtherCAT coupling mechanism; Be connected to module EtherCAT network, failure wave-recording unit 814, through EtherCAT from station control 8141; Be connected to adjustment control 830, obtain the voltage and current sampled signal of power cell through adjustment control.
Those of ordinary skill in the art will be appreciated that; Above embodiment only is the technical scheme that is used for explaining the utility model; And be not the qualification that is used as the utility model; Any connotation based on the utility model is to variation, modification that the above embodiment did, all will drop in the protection domain of claim of the utility model.
Claims (3)
1. the failure wave-recording unit of a quality of power supply regulating device is connected to the control system of quality of power supply regulating device through the EtherCAT network, and described control system comprises the PTCT input block; Regulate protected location; The EtherCAT coupling mechanism, adjustment control is characterized in that:
Described failure wave-recording unit comprises EtherCAT from station control, trigger control module, pre-record mode piece and record mode piece;
Described EtherCAT is connected to the EtherCAT coupling mechanism from station control, the described mode piece of pre-recording with record mode piece via EtherCAT from station control, be connected to described adjustment control through the EtherCAT coupling mechanism;
Described adjusting protected location is connected to described mode piece and the record mode piece of pre-recording through trigger control module;
Described record mode piece is connected to the PTCT input block through the mode piece of pre-recording.
2. the failure wave-recording unit of quality of power supply regulating device according to claim 1 is characterized in that described failure wave-recording unit adopts the plate card type structure, and described EtherCAT comprises the LVDS EBI from station control; Described failure wave-recording unit is connected to described PTCT input block through the LVDS EBI.
3. the failure wave-recording unit of quality of power supply regulating device according to claim 1 and 2; It is characterized in that described failure wave-recording unit also comprises ethernet interface module; Described failure wave-recording unit is connected to the monitor terminal of Local or Remote through ethernet interface module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201387357U CN202548239U (en) | 2012-04-01 | 2012-04-01 | Fault recorder unit of power quality conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201387357U CN202548239U (en) | 2012-04-01 | 2012-04-01 | Fault recorder unit of power quality conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548239U true CN202548239U (en) | 2012-11-21 |
Family
ID=47168855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201387357U Expired - Lifetime CN202548239U (en) | 2012-04-01 | 2012-04-01 | Fault recorder unit of power quality conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459365A (en) * | 2014-06-30 | 2015-03-25 | 南京亚派科技实业有限公司 | Method for diagnosing fault of active power filter |
-
2012
- 2012-04-01 CN CN2012201387357U patent/CN202548239U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459365A (en) * | 2014-06-30 | 2015-03-25 | 南京亚派科技实业有限公司 | Method for diagnosing fault of active power filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104239059B (en) | Intelligence based on full model matches somebody with somebody the construction method of electricity consumption unified information support platform | |
| CN102325149B (en) | Intelligent network remote terminal unit (RTU) system of electrified railway | |
| CN202495807U (en) | Remote centralized measurement and control system for power distribution network | |
| CN103595136A (en) | Energy management system of micro-grid | |
| CN102064610A (en) | Automatic voltage control substation system of distributed power station based on devices | |
| CN104242472B (en) | A kind of railway station low buckling distribution intelligent monitor system | |
| CN202206427U (en) | Novel intelligent substation breaker intelligent electronic device (IED) based on advanced reduced instruction set computer machine (ARM) and digital signal processor (DSP) | |
| WO2012065355A1 (en) | Nickel-metal hydride battery energy storage monitoring system | |
| CN112054596A (en) | System and method for acquiring running data of power distribution network in real time | |
| CN206225827U (en) | A kind of intelligent low-pressure comprehensive distribution box with plug-in type capacitance compensation | |
| CN204649927U (en) | A kind of primary cut-out state monitoring device | |
| CN201860163U (en) | Data center intelligent power supply control system | |
| CN103956828B (en) | Mesolow intelligent distribution terminal | |
| CN202749908U (en) | Power-grid automatic measurement and control terminal device | |
| CN202548239U (en) | Fault recorder unit of power quality conditioner | |
| CN202034825U (en) | Intelligent comprehensive device of medium-voltage switch | |
| CN205265371U (en) | Transformer substation's long -range fortune dimension management and control device | |
| CN101651361A (en) | Integrated automation system of substation | |
| CN204103594U (en) | Mesolow intelligent distribution terminal | |
| CN204012933U (en) | Distribution automation detection and control terminal | |
| CN203368141U (en) | Novel feeder automation system using CAN bus communication | |
| CN202550682U (en) | Regulation and protection unit of electric energy quality regulation device | |
| CN105226819A (en) | A kind of distributed power source monitoring management system based on IEC61850 | |
| CN207069342U (en) | A kind of micro-capacitance sensor multifunctional intellectual power distribution cabinet | |
| CN203261125U (en) | Self-powered digital relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |