CN110865633B - Detection system and detection method for integrated measurement and control host of transformer substation - Google Patents
Detection system and detection method for integrated measurement and control host of transformer substation Download PDFInfo
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Abstract
The invention discloses a detection system and a detection method for a transformer substation integrated measurement and control host. The integrated observing and controlling detection system for host computer of transformer substation includes: a control main module; each analog quantity output submodule is respectively connected with the control main module, the power supply grid and one analog quantity local submodule; each switch quantum module is respectively connected with the control main module and the switching value local sub-module; the analog quantity output sub-modules are used for supplying power through a power grid and controlling information according to analog quantity to provide voltage and current for the analog quantity local sub-modules connected with the analog quantity output sub-modules, and the waveforms of the voltage and the current provided by each analog quantity output sub-module for the analog quantity local sub-module connected with the analog quantity output sub-module are the same as the frequency of the power supply voltage provided by the power grid for each analog quantity output sub-module, and the phases are synchronous. The invention can reduce the requirement on an external timing synchronization device and reduce the test cost.
Description
Technical Field
The invention relates to the technical field of power supply, in particular to a detection system and a detection method for a substation integrated measurement and control host.
Background
The intelligent substation is realized by adopting a total-station integrated measurement and control host and in-situ protection mode, the measurement and control adopts a 'two-layer one-network' system framework, and the system framework consists of a spacer layer, a station control layer and a station control layer network and is connected with primary equipment through a digital in-situ module.
The integrated measurement and control host of the whole station replaces the mode that different measurement and control devices are configured at different intervals of the intelligent substation, and two sets of integrated measurement and control hosts are configured in the whole station, so that all interval measurement and control functions, namely functions of remote signaling, remote measurement, remote control, remote regulation and the like, are realized.
In the prior art, each interval of the intelligent substation measurement and control device is provided with an independent measurement and control device for collection, and remote signaling, remote measurement, remote control and remote regulation functions of interval measurement and control are independently realized. When testing the intelligent station measurement and control device, a single test device is used for testing the single measurement and control device. The third generation intelligent station adopts an integrated measurement and control scheme, one measurement and control submachine is arranged at each interval and is responsible for data acquisition and uploading, and two sets of measurement and control main machines realize measurement and control functions such as remote signaling, remote measurement, remote control, remote regulation and the like.
In the traditional test scheme, each device needs to be additionally provided with a synchronizing device, so that resources are greatly wasted, and the cost is increased.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide a detection system and a detection method for a transformer substation integrated measurement and control host, which can realize synchronization of a power grid and output equipment, synchronization of output of test equipment and the power grid, reduce the requirement on an external time synchronization device and reduce the test cost.
In order to achieve the above object, the present invention provides a detection system for a substation integrated measurement and control host, wherein the substation integrated measurement and control host comprises a measurement and control submachine, at least two analog quantity local sub-modules and at least two switching quantity local sub-modules, and the detection system for the substation integrated measurement and control host comprises:
a control main module;
each analog quantity output submodule is respectively connected with the control main module, the power supply grid and an analog quantity local submodule;
each switch quantum module is respectively connected with the control main module and one switch quantity local sub-module; wherein the content of the first and second substances,
the control main module is used for providing analog quantity control information for the analog quantity output submodule;
the control main module is used for providing switching value control information for the switching quantum module;
the power supply grid is used for supplying power to each analog quantity output submodule;
the switching quantum module is used for providing switching value information for the switching value local submodule according to the switching value control information;
the analog quantity output sub-modules are used for supplying power through a power grid and providing voltage and current for the analog quantity local sub-modules connected with the analog quantity output sub-modules according to the analog quantity control information, and the waveform of the voltage provided by each analog quantity output sub-module for the analog quantity local sub-module connected with the analog quantity output sub-module is the same as the frequency and synchronous with the phase of the voltage provided by the power grid for each analog quantity output sub-module; the waveform of the current provided by each analog quantity output submodule for the analog quantity local submodule connected with the analog quantity output submodule is the same as the frequency and synchronous with the phase of the voltage provided by the power supply grid for each analog quantity output submodule.
Further, the detection system for the integrated measurement and control host of the transformer substation further comprises:
each digital quantity submodule is respectively connected with the control main module, the power supply grid and the measurement and control submachine;
the control main module is used for providing digital quantity control information for the digital quantity sub-module;
the digital quantity sub-modules are used for supplying power through a power grid and providing digital quantity switching value information, voltage and current for the measurement and control submachine connected with the digital quantity sub-modules according to the digital quantity control information, and the waveform of the voltage provided by each digital quantity sub-module for the measurement and control submachine connected with the digital quantity sub-module is synchronous with the phase of the voltage provided by the power grid for each digital quantity sub-module; the waveform of the current provided by each digital quantity sub-module for the measurement and control sub-machine connected with the digital quantity sub-module is synchronous with the phase of the voltage provided by the power supply grid for each digital quantity sub-module.
Further, the control main module is connected with each analog output sub-module through an optical fiber; the control main module is connected with each switch quantum module through optical fibers.
Further, the control main module is connected with each digital quantity module through an optical fiber.
Furthermore, the analog output submodule comprises an analog power supply module and an analog FPGA unit, wherein,
the analog quantity power supply module is connected with the power supply grid;
the analog FPGA unit is connected with the analog power supply module; wherein the content of the first and second substances,
the analog quantity power supply module is used for receiving a power supply provided by the power supply grid and sending all phase 0 points in the power supply to the analog quantity FPGA unit in a pulse form;
the analog quantity FPGA unit is used for taking the pulse signal as a phase calibration basis, setting a waveform phase formed by the analog quantity FPGA unit into an initial phase when receiving one pulse signal, enabling the waveform of the output voltage and current and the power supply frequency fluctuation of a power grid to be in the same frequency, enabling the initial phase to be consistent with the phase of the power grid 0, enabling the waveform of the voltage provided by each analog quantity output submodule for the analog quantity local submodule connected with the analog quantity output submodule to be the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule, and enabling the phases to be synchronous; the waveform of the current provided by each analog quantity output submodule to the analog quantity local submodule connected with the analog quantity output submodule and the switching value local submodule is the same as the frequency and phase synchronization of the voltage provided by the power supply grid to each analog quantity output submodule.
Furthermore, the digital quantity sub-module comprises a digital quantity power supply module, a digital quantity FPGA unit and an optical port distribution module, wherein,
the digital quantity power supply module is connected with the power supply grid;
the digital FPGA unit is connected with the digital power supply module; wherein the content of the first and second substances,
the digital quantity power supply module is used for receiving a power supply provided by the power supply grid and sending all phase 0 points in the power supply to the digital quantity FPGA unit in a pulse form;
the digital quantity FPGA unit is used for taking the pulse signal as a phase calibration basis, setting a waveform phase formed by the digital quantity FPGA unit into an initial phase when receiving one pulse signal, enabling the fluctuation of the output voltage waveform and current waveform and the power supply frequency of a power grid to be in the same frequency, enabling the initial phase to be consistent with the phase of the power grid 0, enabling the waveform of the voltage provided by each digital quantity submodule for the measurement and control submachine connected with the digital quantity FPGA unit to be the same as the frequency of the voltage provided by the power supply grid for each digital quantity submodule, and enabling the phases to be synchronous; the waveform of the current provided by each digital quantity sub-module for the measurement and control sub-machine connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module, and the phases are synchronous.
A method for detecting an integrated measurement and control host of a transformer substation is carried out by adopting the system, and comprises the following steps:
the method comprises the steps that firstly, a main control module obtains command information, analog quantity control information is provided for an analog quantity output submodule according to the command information, and switching quantity control information is provided for a switching quantum module;
secondly, the switching quantum module provides switching value information for the switching value local submodule according to the switching value control information;
supplying power to the analog quantity output sub-modules through a power grid and providing voltage and current for the analog quantity local sub-modules connected with the analog quantity output sub-modules according to the analog quantity control information, wherein the waveform of the voltage provided by each analog quantity output sub-module for the analog quantity local sub-module connected with the analog quantity output sub-module is the same as the frequency of the voltage provided by the power grid for each analog quantity output sub-module, and the phases are synchronous; the waveform of the current provided by each analog quantity output submodule for the analog quantity local submodule connected with the analog quantity output submodule is the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule, and the phases are synchronous.
Further, the method for detecting the integrated measurement and control host of the substation further comprises the following steps:
(a) the control main module provides digital quantity control information for the digital quantity sub-module according to the command information;
(b) the digital quantity sub-modules supply power through a power grid and provide digital quantity switching value information, voltage and current for the measurement and control submachine connected with the digital quantity sub-modules according to the digital quantity control information, and the waveform of the voltage provided by each digital quantity sub-module for the measurement and control submachine connected with the digital quantity sub-module is the same as the frequency and the phase of the voltage provided by the power grid for each digital quantity sub-module; the waveform of the current provided by each digital quantity sub-module for the measurement and control sub-machine connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module, and the phases are synchronous.
Further, the third step specifically comprises:
receiving a power supply provided by the power supply grid through an analog power supply module, and sending all phase 0 points in the power supply to an analog FPGA unit 22 in a pulse form;
the analog quantity FPGA unit is used for taking pulse signals as a phase calibration basis, the waveform phase formed by the analog quantity FPGA unit is set to be an initial phase when one pulse signal is received, the waveform of the output voltage and current is enabled to be at the same frequency with the power supply frequency fluctuation of a power grid, the initial phase is consistent with the phase of the power grid 0, the waveform of the voltage provided by each analog quantity output submodule for the analog quantity local submodule connected with the analog quantity output submodule is enabled to be the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule, and the phases are synchronous; the waveform of the current provided by each analog quantity output submodule for the analog quantity local submodule connected with the analog quantity output submodule is the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule, and the phases are synchronous.
Further, the method specifically comprises the following steps:
receiving a power supply provided by the power supply grid through a digital quantity power supply module, and sending all phase 0 points in the power supply to a digital quantity FPGA unit in a pulse form;
the pulse signals are used as phase calibration bases by a digital quantity FPGA unit, the waveform phase formed by the digital quantity FPGA unit is set to be an initial phase when one pulse signal is received, the output voltage waveform and current waveform are enabled to be at the same frequency with the power supply frequency fluctuation of a power grid, the initial phase is consistent with the phase of the power grid 0, the waveform of the voltage provided by each digital quantity sub-module for a measurement and control sub-machine connected with the digital quantity sub-module is enabled to be the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module, and the phases are synchronous; the waveform of the current provided by each digital quantity sub-module for the measurement and control sub-machine connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module, and the phases are synchronous.
The detection system for the integrated measurement and control host of the transformer substation has the advantages that the waveform of the voltage provided by each analog output submodule for the analog on-site submodule connected with the analog output submodule is the same as the frequency and the phase of the voltage provided by a power supply grid for each analog output submodule are synchronous; the mode that the waveform of the current provided by each analog quantity output submodule for the analog quantity local submodule connected with the analog quantity output submodule is the same as the frequency of the voltage provided by a power supply grid for each analog quantity output submodule and the phases are synchronous realizes the synchronization of the grid and the output equipment, the output of the test equipment is synchronous with the grid, the requirement on an external time synchronization synchronizer is reduced, and the test cost is reduced.
Drawings
Fig. 1 is a system schematic diagram of a detection system for a substation integrated measurement and control host according to a first embodiment of the invention;
fig. 2 is a system schematic diagram of a detection system for a substation integrated measurement and control host according to a second embodiment of the invention;
FIG. 3 is a block diagram of one embodiment of an analog output sub-module according to the present invention;
fig. 4 is a schematic structural diagram of one embodiment of a digital measurement module according to the present invention.
The reference numbers in the figures are as follows:
| 1 | controlling a |
22 | |
| 2 | Analog |
23 | Analog-to- |
| 3 | Analog quantity in- |
24 | |
| 4 | Switching value |
61 | Digital |
| 5 | Switching |
62 | Digital |
| 6 | |
63 | Optical |
| 7 | Measuring and controlling |
||
| 21 | Analog power supply module |
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, generally, the integrated measurement and control main machine of the substation includes a measurement and control sub-machine 7, at least two analog quantity local sub-modules 3, and at least two switching quantity local sub-modules 4.
The embodiment of the detection system for the power station integrated measurement and control host comprises a control main module 1, at least two analog quantity output sub-modules 2 and at least two switch quantum modules 5.
Each analog quantity output submodule 2 is respectively connected with the control main module 1, the power supply grid and an analog quantity local submodule 3;
each switch quantum module 5 is respectively connected with the control main module 1 and one switching value local submodule 4; wherein the content of the first and second substances,
the control main module 1 is used for providing analog quantity control information for the analog quantity output sub-module 2 and providing switching quantity control information for the switching quantum module 5;
the power supply grid is used for supplying power to each analog quantity output submodule 2;
the switching quantum module 5 is used for providing switching value information for the switching value local submodule 4 according to the switching value control information;
the analog quantity output sub-modules 2 are used for supplying power through a power grid and controlling information according to analog quantity to provide voltage and current for the analog quantity local sub-modules 3 connected with the analog quantity output sub-modules, and the waveform of the voltage provided by each analog quantity output sub-module 2 for the analog quantity local sub-module 3 connected with the analog quantity output sub-module is the same as the frequency and synchronous with the phase of the voltage provided by the power grid for each analog quantity output sub-module 2; the waveform of the current provided by each analog output submodule 2 to the analog local submodule 3 connected thereto is the same as and phase-synchronized with the frequency of the voltage provided by the power supply network to each analog output submodule.
The detection system for the integrated measurement and control host of the transformer substation has the advantages that the waveform of the voltage provided by each analog output submodule 2 for the analog on-site submodule 3 connected with the analog output submodule is the same as the frequency of the voltage provided by a power supply grid for each analog output submodule 2, and the phases are synchronous; the waveform of the current provided by each analog quantity output submodule 2 for the analog quantity local submodule 3 connected with the analog quantity output submodule is the same as the frequency of the voltage provided by a power supply grid for each analog quantity output submodule 2, and the mode of phase synchronization realizes the synchronization of the grid and output equipment, the output of test equipment is synchronous with the grid, the requirement on an external time synchronization synchronizer is reduced, and the test cost is reduced.
In the embodiment, the analog output submodule 2 is provided with at least 6 paths of 20A high-precision analog current outputs and at least 6 paths of 120V high-precision analog voltage outputs; the output precision of analog quantity voltage and current is better than 0.05 percent; the analog quantity voltage and current output response time is less than 100 us;
in this embodiment, the switch quantum module 5 includes 8 switching value input interfaces, 8 pairs of switching value output interfaces, and 4 pairs of fast output interfaces, where the fast output response time is less than 100 us;
in this embodiment, the control main module 1 includes an ARM unit and an FPGA unit; the ARM unit is a logic calculation unit for controlling the main module and has a communication function with a PC; the control main module 1 can communicate with the measurement and control host through an external Ethernet optical port to realize MMS message communication and data exchange; .
Referring to fig. 2, in another embodiment, the detection system for the integrated measurement and control host of the transformer substation further includes at least two digital quantity sub-modules 6, and each digital quantity sub-module 6 is respectively connected with the control main module 1, the power supply grid and one measurement and control slave machine 7; the control main module 1 is used for providing digital quantity control information for the digital quantity submodule 6; the digital quantity sub-modules 6 are used for supplying power through a power grid and providing digital quantity switching value information, voltage and current for the measurement and control submachine 7 connected with the digital quantity sub-modules according to digital quantity control information, and the waveform of the voltage provided by each digital quantity sub-module for the measurement and control submachine connected with the digital quantity sub-module is the same as the frequency and the phase of the voltage provided by the power grid for each digital quantity sub-module 6; the waveform of the current provided by each digital quantity sub-module 6 for the measurement and control sub-machine 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the phases are synchronous.
According to the detection system for the integrated measurement and control host of the transformer substation, digital switching value information, voltage and current are provided for the measurement and control submachine 7 connected with each digital quantity sub-module 6, and the waveform of the voltage provided by each digital quantity sub-module 6 for the measurement and control submachine 7 connected with each digital quantity sub-module is the same as the frequency of the voltage provided by a power supply grid for each digital quantity sub-module 6, so that the phases are synchronous; the waveform of the current provided by each digital quantity sub-module 6 for the measurement and control sub-machine 7 connected with the digital quantity sub-module is synchronous with the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the phase synchronization realizes the synchronization of the grid and the output equipment, the output of the test equipment is synchronous with the grid, the requirement on an external time synchronization device is reduced, and the test cost is reduced.
In this embodiment, the digital measurement sub-module 6 has 8 pairs of hundred-million optical fiber interfaces, and can receive and transmit 61850-9-2 messages and Goose message information; the dispersion error of the output message of the digital 61850 message is less than 1 us.
The invention adopts the high-performance FPGA core processing unit to realize the receiving and sending of digital messages, completes the receiving and sending processing of data in parallel, realizes zero-delay processing among multiple channels, ensures the reliable receiving and sending of data and ensures the reliable detection of secondary equipment.
In the embodiment, the control main module 1 is connected with each analog output sub-module 2 through an optical fiber; the control main module 1 is connected with each switching quantum module 5 through optical fibers.
In the present embodiment, the control main module 1 is connected to each digital quantity module 6 through an optical fiber.
The invention transmits data among the distributed devices in the system through the optical fiber, and reduces errors caused by output transmission delay to the maximum extent.
Referring to fig. 3, in the present embodiment, the analog output submodule 2 includes an analog power supply module 21, an analog FPGA unit 22, an analog digital-to-analog converter 23, and an analog power amplifier 24, wherein,
the analog quantity power supply module 21 is connected with a power supply grid;
the analog FPGA unit 22 is connected with the analog power supply module 21; wherein the content of the first and second substances,
the analog quantity power supply module 21 is used for receiving a power supply provided by a power supply grid and sending all phase 0 points in the power supply to the analog quantity FPGA unit 22 in a pulse form;
the analog quantity FPGA unit 22 is used for taking the pulse signal as a phase calibration basis, setting a waveform phase formed by the analog quantity FPGA unit 22 into an initial phase when receiving one pulse signal, enabling the waveform of the output voltage and current and the power supply frequency fluctuation of a power grid to be at the same frequency, enabling the initial phase to be consistent with the phase of the power grid 0, enabling the waveform of the voltage provided by each analog quantity output submodule 2 for the analog quantity local submodule 3 connected with the analog quantity FPGA unit to be the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule 2, and enabling the phases to be synchronous; the waveform of the current provided by each analog quantity output submodule 2 to the analog quantity local submodule 3 and the switching value local submodule 4 connected with the analog quantity output submodule is the same as the frequency and phase synchronization of the voltage provided by the power supply grid to each analog quantity output submodule.
In this embodiment, the power supply is a commonly used 220V power supply, and the waveform zero crossing point is mainly removed from the power supply, so that the phase of the output voltage and current is consistent with the waveform phase of the power supply, and the synchronization effect is achieved.
In this embodiment, the analog FPGA unit 22 calculates a digital signal, and needs the analog digital-to-analog converter 23 to convert the digital signal into a small analog signal, and the analog power amplifier 24 performs proportional amplification on the small analog signal to output a required voltage signal, for example: 100V and 5A.
The waveform of the voltage provided by each analog quantity output submodule 22 to the analog quantity local submodule 3 connected with the analog quantity output submodule is the same as the frequency and phase synchronization of the voltage provided by the power supply grid to each analog quantity output submodule 2; the waveform of the current provided by each analog quantity output submodule 2 for the analog quantity local submodule 3 connected with the analog quantity output submodule 2 is the same as the frequency of the voltage provided by a power supply network for each analog quantity output submodule 2, and the phases are synchronous, so that the analog quantity output submodules 2 realize the same-frequency and same-phase output of the plurality of analog quantity output submodules 2 through power supply of the power network.
In this embodiment, the control main module 1 is connected with the plurality of switch quantum modules 5 and the analog quantity output sub-module 2 through optical fibers, the control main module 1 controls the analog quantity output sub-module 2 to output voltage and current, the control switch quantum modules 5 output switching quantity output, the analog quantity output sub-module 2 realizes phase synchronization of a plurality of devices through power grid power supply, voltage and current and switching quantity are applied to the analog quantity on-site sub-module 3 and the switching quantity on-site sub-module 4, the analog quantity is uploaded to the measurement and control sub-machine 7 and finally uploaded to the measurement and control host machine, the test system reads telemetering and remote signaling information from the measurement and control host machine through MMS, the telemetering and remote signaling information is compared with the analog quantity and the switching quantity output by the test system and finally forms.
Referring to fig. 4, in the present embodiment, the digital quantity submodule 6 includes a digital quantity power supply module 61, a digital quantity FPGA unit 62, and an optical port assignment module 63, wherein,
the digital quantity power supply module 61 is connected with a power supply grid;
the digital FPGA unit 62 is connected with the digital power supply module 61; wherein the content of the first and second substances,
the digital quantity power supply module 61 is used for receiving a power supply provided by a power supply grid and sending all phase 0 points in the power supply to the digital quantity FPGA unit 62 in a pulse form;
the digital quantity FPGA unit 62 is used for taking the pulse signal as a phase calibration basis, setting a waveform phase formed by the digital quantity FPGA unit 62 into an initial phase when receiving one pulse signal, enabling the fluctuation of the output voltage waveform and current waveform and the power supply frequency of the power grid to be in the same frequency, enabling the initial phase to be consistent with the phase of the power grid 0, enabling the waveform of the voltage provided by each digital quantity sub-module 6 for the measurement and control submachine 7 connected with the digital quantity sub-module 6 to be the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and enabling the phases to be; the waveform of the current provided by each digital quantity sub-module 6 for the measurement and control sub-machine 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the phases are synchronous.
In this embodiment, the detection system for the integrated measurement and control host of the transformer substation has a plurality of optical port outputs, and the optical port allocation module allocates the multiplexed output calculated by the FPGA to different optical ports according to the software setting requirements 63.
The waveform of the voltage provided by each digital quantity sub-module 6 for the measurement and control submachine 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the phases are synchronous; the waveform of the current provided by each digital quantity sub-module 6 for the measurement and control sub-machine 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the synchronization of the power grid and the output equipment is realized by the phase synchronization mode.
In this embodiment, the control main module 1 is connected with the plurality of digital quantity sub-modules 6 through optical fibers, the control main module 1 controls the digital quantity to output digital quantity voltage current quantity and digital quantity switching value information of 61850 messages, the digital quantity sub-modules 6 realize phase synchronization of a plurality of devices through power grid power supply, and simultaneously add quantity for the measurement and control submachine and upload the quantity to the measurement and control host computer, the test system reads the remote measurement and remote communication information from the measurement and control host computer through MMS, and compares and evaluates the remote measurement and remote communication information with analog quantity and switching value output by the test system, and finally forms a test result.
In this embodiment, the control main module 1 has 8 optical ports for transceiving, and the total number of the external analog output sub-module, the digital output sub-module and the switch quantum module is not more than 8.
In this embodiment, at least the following tests can be provided for the integrated measurement and control host of the substation:
1. sending the analog quantity, reading MMS information, and realizing remote measuring point-to-point test;
2. sending hard contact switching value, reading MMS information or Goose information, and realizing remote signaling point-to-point test;
3. simulating an MMS message to send a remote control command, receiving a test and control submachine message, and realizing remote control point-to-point test;
4. simulating an MMS message to send a remote regulation command, receiving a measuring and controlling submachine message, and realizing remote regulation point-to-point testing;
5. a switching value SOE test function;
6. testing a switching value jitter simulation function; analog on-off open-close dither.
The embodiment of the invention also provides a method for detecting the integrated measurement and control host of the transformer substation, which is carried out by adopting the system, and the method for detecting the integrated measurement and control host of the transformer substation comprises the following steps:
the control main module 1 acquires command information, provides analog quantity control information for the analog quantity output sub-module 2 and provides switching quantity control information for the switching quantum module 5 according to the command information;
the switching quantum module 5 provides switching value information for the switching value local submodule 4 according to the switching value control information;
the analog quantity output sub-modules 2 supply power through a power grid and provide voltage and current for the analog quantity local sub-modules 3 connected with the analog quantity output sub-modules according to the analog quantity control information, and the waveform of the voltage provided by each analog quantity output sub-module 2 for the analog quantity local sub-module 3 connected with the analog quantity output sub-module is the same as the frequency of the voltage provided by the power grid for each analog quantity output sub-module 2, and the phases are synchronous; the waveform of the current provided by each analog quantity output submodule 2 to the analog quantity local submodule 3 connected with the analog quantity output submodule 2 is the same as the frequency of the voltage provided by the power supply grid to each analog quantity output submodule 2, and the phases are synchronous.
In this embodiment, the method for detecting the integrated measurement and control host of the substation further includes:
the control main module 1 provides digital quantity control information for the digital quantity sub-module 6 according to the command information;
the digital quantity sub-modules 6 supply power through a power grid and provide digital quantity switching value information, voltage and current for the measurement and control submachine 7 connected with the digital quantity sub-modules 6 according to the digital quantity control information, and the waveform of the voltage provided by each digital quantity sub-module 6 for the measurement and control submachine 7 connected with the digital quantity sub-module is the same as the frequency and phase of the voltage provided by the power grid for each digital quantity sub-module 6; the waveform of the current provided by each digital quantity sub-module 6 for the measurement and control sub-machine 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the phases are synchronous.
In this embodiment, the analog quantity output sub-modules 2 supply power through a power grid and provide voltage and current for the analog quantity local sub-modules 3 connected with the analog quantity output sub-modules 2 according to the analog quantity control information, and the waveform of the voltage provided by each analog quantity output sub-module 2 for the analog quantity local sub-module 3 connected with the analog quantity output sub-module is the same as the frequency of the voltage provided by the power grid for each analog quantity output sub-module 2, and the phases are synchronous; the waveform of the current provided by each analog quantity output submodule 2 to the analog quantity local submodule 3 connected with the analog quantity output submodule 2 is the same as the frequency of the voltage provided by the power supply grid to each analog quantity output submodule 2, and the phase synchronization comprises the following steps:
receiving a power supply provided by the power supply grid through an analog power supply module 21, and sending all phase 0 points in the power supply to an analog FPGA unit 22 in a pulse form;
the analog quantity FPGA unit 22 is used for taking pulse signals as a phase calibration basis, and when one pulse signal is received, the waveform phase formed by the analog quantity FPGA unit 22 is set to be an initial phase, so that the waveform of the output voltage and current and the power supply frequency fluctuation of a power grid are in the same frequency, the initial phase is consistent with the phase of the power grid 0, the waveform of the voltage provided by each analog quantity output submodule 2 for an analog quantity local submodule 3 connected with the analog quantity output submodule is the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule 2, and the phases are synchronous; the waveform of the current provided by each analog quantity output submodule 2 to the analog quantity local submodule 3 connected with the analog quantity output submodule 2 is the same as the frequency of the voltage provided by the power supply grid to each analog quantity output submodule 2, and the phases are synchronous.
In this embodiment, the digital quantity sub-modules 6 supply power through a power grid and provide digital quantity switching value information, voltage and current for the measurement and control submachine 7 connected with the digital quantity sub-modules 6 according to the digital quantity control information, and the waveform of the voltage provided by each digital quantity sub-module 6 for the measurement and control submachine 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power grid for each digital quantity sub-module 6, and the phases are synchronous; the waveform of the current provided by each digital quantity sub-module 6 for the measurement and control sub-module 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by each digital quantity sub-module 6 by the power supply network, and the phases are synchronous, and the method comprises the following steps:
receiving a power supply provided by the power supply grid through a digital quantity power supply module 61, and sending all phase 0 points in the power supply to a digital quantity FPGA unit 62 in a pulse form;
the pulse signals are used as phase calibration bases through the digital quantity FPGA unit 62, the waveform phase formed by the digital quantity FPGA unit 62 is set to be an initial phase when one pulse signal is received, the output voltage waveform and current waveform are enabled to be at the same frequency with the power supply frequency fluctuation of a power grid, the initial phase is consistent with the phase of the power grid 0, the waveform of the voltage provided by each digital quantity sub-module 6 for the measurement and control sub-machine 7 connected with the digital quantity sub-module is enabled to be the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the phases are synchronous; the waveform of the current provided by each digital quantity sub-module 6 for the measurement and control sub-machine 7 connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module 6, and the phases are synchronous.
It will be appreciated that the above description of the apparatus applies equally to the description of the method.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Claims (5)
1. The utility model provides an integrated observing and controlling of transformer substation is detecting system for host computer, the integrated observing and controlling of transformer substation host computer includes observes and controls parasite aircraft (7), two at least analog quantity on the spot submodule piece (3) and two at least switching value on the spot submodule pieces (4), its characterized in that, the integrated observing and controlling of transformer substation is detecting system for host computer includes:
a control main module (1);
the system comprises at least two analog quantity output sub-modules (2), wherein each analog quantity output sub-module (2) is respectively connected with the control main module (1), a power supply grid and an analog quantity local sub-module (3);
the control system comprises at least two switch quantum modules (5), wherein each switch quantum module (5) is respectively connected with the control main module (1) and a switch quantity local sub-module (4); wherein the content of the first and second substances,
the control main module (1) is used for providing analog quantity control information for the analog quantity output sub-module (2);
the control main module (1) is used for providing switching value control information for the switching quantum module (5);
the power supply grid is used for supplying power to each analog quantity output submodule (2);
the switching quantum module (5) is used for providing switching value information for the switching value local submodule (4) according to the switching value control information;
the analog quantity output sub-modules (2) are used for supplying power through a power grid and providing voltage and current for the analog quantity local sub-modules (3) connected with the analog quantity output sub-modules according to the analog quantity control information, and the waveform of the voltage provided by each analog quantity output sub-module (2) for the analog quantity local sub-module (3) connected with the analog quantity output sub-module is the same as the frequency and synchronous with the phase of the voltage provided by the power grid for each analog quantity output sub-module (2); the waveform of the current provided by each analog quantity output submodule (2) for the analog quantity local submodule (3) connected with the analog quantity output submodule is the same as the frequency and synchronous with the phase of the voltage provided by the power supply grid for each analog quantity output submodule;
the analog output submodule (2) comprises an analog power supply module (21) and an analog FPGA unit (22),
the analog quantity power supply module (21) is connected with the power supply grid;
the analog FPGA unit (22) is connected with the analog power supply module (21); wherein the content of the first and second substances,
the analog quantity power supply module (21) is used for receiving a power supply provided by the power supply grid and sending all phase 0 points in the power supply to the analog quantity FPGA unit (22) in a pulse form;
the analog quantity FPGA unit (22) is used for taking the pulse signal as a phase calibration basis, setting a waveform phase formed by the analog quantity FPGA unit (22) into an initial phase when receiving one pulse signal, enabling the waveform of the output voltage and current and the power supply frequency fluctuation of a power grid to be at the same frequency, enabling the initial phase to be consistent with the phase of the power grid 0, enabling the waveform of the voltage provided by each analog quantity output submodule (2) for the analog quantity local submodule (3) connected with the analog quantity output submodule to be the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule (2), and enabling the phases to be synchronous; the waveform of the current provided by each analog quantity output submodule (2) for the analog quantity local submodule (3) connected with the analog quantity output submodule is the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule, and the phase of the voltage is synchronous.
2. The detection system for the integrated measurement and control host of transformer substation of claim 1, characterized in that, the detection system for the integrated measurement and control host of transformer substation further comprises:
the system comprises at least two digital quantity sub-modules (6), wherein each digital quantity sub-module (6) is respectively connected with the main control module (1), a power supply grid and a measurement and control submachine (7);
the control main module (1) is used for providing digital quantity control information for the digital quantity sub-module (6);
the digital quantity sub-modules (6) are used for supplying power through a power grid and providing digital quantity switching value information, voltage and current for the measurement and control submachine (7) connected with the digital quantity sub-modules according to the digital quantity control information, and the waveform of the voltage provided by each digital quantity sub-module for the measurement and control submachine connected with the digital quantity sub-module is synchronous with the phase of the voltage provided by the power grid for each digital quantity sub-module (6); the waveform of the current provided by each digital quantity sub-module (6) for the measurement and control sub-machine (7) connected with the digital quantity sub-module is synchronous with the phase of the voltage provided by the power supply grid for each digital quantity sub-module (6);
the digital quantity sub-module (6) comprises a digital quantity power supply module (61), a digital quantity FPGA unit (62) and an optical port distribution module, wherein,
the digital quantity power supply module (61) is connected with the power supply grid;
the digital FPGA unit (62) is connected with the digital power supply module (61); wherein the content of the first and second substances,
the digital quantity power supply module (61) is used for receiving a power supply provided by the power supply grid and sending all phase 0 points in the power supply to the digital quantity FPGA unit (62) in a pulse form;
the digital quantity FPGA unit (62) is used for taking the pulse signal as a phase calibration basis, setting a waveform phase formed by the digital quantity FPGA unit (62) into an initial phase when receiving one pulse signal, enabling the fluctuation of the output voltage waveform and current waveform and the power supply frequency of a power grid to be at the same frequency, enabling the initial phase to be consistent with the phase of the power grid 0, enabling the waveform of the voltage provided by each digital quantity submodule (6) for the measurement and control submachine (7) connected with the digital quantity submodule to be the same as the frequency of the voltage provided by the power supply grid for each digital quantity submodule (6), and enabling the phases to be synchronous; the waveform of the current provided by each digital quantity sub-module (6) for the measurement and control sub-machine (7) connected with the digital quantity sub-module is the same as the frequency of the voltage provided by the power supply grid for each digital quantity sub-module (6), and the phases are synchronous.
3. The detection system for the integrated measurement and control host of the transformer substation according to claim 1, wherein the control main module (1) is connected with each analog output sub-module through an optical fiber;
the control main module (1) is connected with each switch quantum module through optical fibers.
4. The detection system for the integrated measurement and control host of the transformer substation according to claim 2, wherein the control main module is connected with each digital quantity module through an optical fiber.
5. A method for detecting a substation integrated measurement and control host is characterized by being carried out by adopting the system of any one of claims 1-4, and the method for detecting the substation integrated measurement and control host comprises the following steps:
the method comprises the following steps that firstly, a main control module (1) obtains command information, analog quantity control information is provided for an analog quantity output submodule (2) according to the command information, and switching quantity control information is provided for a switching quantum module (5);
secondly, the switching quantum module (5) provides switching value information for the switching value local submodule (4) according to the switching value control information;
thirdly, the analog quantity output sub-modules (2) supply power through a power grid and provide voltage and current for the analog quantity local sub-modules (3) connected with the analog quantity output sub-modules according to the analog quantity control information, and the waveform of the voltage provided by each analog quantity output sub-module (2) for the analog quantity local sub-module (3) connected with the analog quantity output sub-module is the same as the frequency of the voltage provided by the power grid for each analog quantity output sub-module (2), and the phases are synchronous; the waveform of the current provided by each analog quantity output submodule (2) for the analog quantity local submodule (3) connected with the analog quantity output submodule is the same as the frequency of the voltage provided by the power supply grid for each analog quantity output submodule (2), and the phases are synchronous.
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| CN202076849U (en) * | 2011-06-03 | 2011-12-14 | 云南电网公司普洱供电局 | Centralized protection, measurement and control device for transformer station |
| CN203691063U (en) * | 2014-01-07 | 2014-07-02 | 国电南瑞科技股份有限公司 | Intelligent transformer station centralized measurement and control apparatus |
| CN204068424U (en) * | 2014-05-13 | 2014-12-31 | 上海电气集团股份有限公司 | Transformer station's universal measurement and control |
| CN104362744A (en) * | 2014-10-24 | 2015-02-18 | 南京南瑞继保工程技术有限公司 | Integrated measurement and control device |
| CN104578409A (en) * | 2014-12-16 | 2015-04-29 | 国家电网公司 | Cluster measurement and control device for intelligent transformer substation and system with cluster measurement and control device |
| CN204515048U (en) * | 2015-04-24 | 2015-07-29 | 北京博电新力电气股份有限公司 | Digital transformer substation intelligent tester |
| CN206505338U (en) * | 2017-03-09 | 2017-09-19 | 石家庄粮保科技有限公司 | A kind of grain information monitoring system being battery powered |
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