CN109873497B - Power distribution main station and terminal automatic joint debugging acceptance method based on intelligent acceptance device - Google Patents
Power distribution main station and terminal automatic joint debugging acceptance method based on intelligent acceptance device Download PDFInfo
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- CN109873497B CN109873497B CN201910203196.7A CN201910203196A CN109873497B CN 109873497 B CN109873497 B CN 109873497B CN 201910203196 A CN201910203196 A CN 201910203196A CN 109873497 B CN109873497 B CN 109873497B
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Abstract
The invention discloses an automatic joint debugging and acceptance checking method of a power distribution master station and a terminal based on an intelligent acceptance checking device, which comprises the steps of carrying out field configuration, communication parameter configuration and automatic acceptance checking rule template configuration; the clock of the power distribution main station, the clock of the power distribution terminal and the intelligent acceptance device, the distribution network equipment model and the distribution network equipment model are subjected to consistency processing; the power distribution master station controls the power distribution terminal to generate analog quantity, state quantity and protection signals and is linked with the primary equipment; the power distribution master station records the received measurement information and alarm information in the acceptance process in real time, matches the measurement information and the alarm information with the acceptance rules, finds out the acceptance test items meeting the conditions and generates an acceptance report. The method reduces the labor cost and the communication cost, improves the working efficiency and the accuracy, and standardizes the power distribution acceptance check work.
Description
Technical Field
The invention relates to an automatic joint debugging acceptance technology, in particular to an automatic joint debugging acceptance method of a power distribution master station and a terminal based on an intelligent acceptance device.
Background
With the implementation of urban network and rural network transformation, power enterprises strive to make distribution networks meet the requirements of modern economic construction and development, and the application of distribution network automation technology becomes the trend of power grid construction. An important link of the distribution network construction is an acceptance link, and currently, manual acceptance is mainly adopted, and a dispatcher and field personnel perform phone call point-to-point acceptance, so that the following problems exist: 1) the automatic secondary transformation work of a large amount of original distribution network equipment and the work of new distribution network automation equipment are carried out simultaneously, so that the checking and accepting work time is concentrated and the consumed time is long; 2) different secondary equipment manufacturers can generate different standards and different interfaces, and more specialized fields are needed to be matched when debugging engineering is carried out, so that the work coordination amount is large; 3) the automatic inspection and acceptance personnel at the side of the regulating and controlling main station check and accept the information with the field personnel through the telephone by matching the field trigger information with the maintenance and operation personnel at the side of the power distribution equipment, the efficiency of the inspection and acceptance mode is low, generally, the post opening needs 20min, the ring network needs 1h at 4 intervals, and the switching station and the cell are longer; 4) and the corresponding acceptance criteria are lacked in the acceptance process, and the later-stage potential safety hazard exists.
Disclosure of Invention
The invention aims to provide an automatic joint debugging and acceptance checking method of a power distribution main station and a terminal based on an intelligent acceptance checking device.
The technical solution for realizing the purpose of the invention is as follows: a power distribution master station and terminal automatic joint debugging acceptance method based on an intelligent acceptance device comprises the following steps:
step 2, data consistency processing: the clocks of the power distribution master station, the power distribution terminal and the intelligent acceptance device, the distribution network equipment model and the distribution network equipment model are subjected to consistency processing;
step 3, automatic acceptance and dosage control: the power distribution master station controls the power distribution terminal to generate analog quantity, state quantity and protection signals and is linked with the primary switch equipment;
step 4, analysis of acceptance results: the power distribution master station records the measurement information and the alarm information received in the acceptance process in real time, matches the measurement information and the alarm information with the acceptance rules, finds out the acceptance test items meeting the conditions and generates an acceptance report.
As a specific embodiment, the specific method of step 1 is:
step 1.1, completing wiring connection among the intelligent acceptance device, the secondary terminal equipment and the primary switch equipment, connecting the telemetering and remote signaling signal output of the intelligent acceptance device with the corresponding input port of the secondary terminal equipment, and outputting telemetering and remote signaling by the intelligent acceptance device; connecting the switch position signal and the control signal of the primary equipment with the corresponding input port of the secondary terminal equipment, and still directly outputting the control signal by the main station through the secondary terminal equipment;
Step 1.2, two channels are configured at the side of a power distribution main station, one channel is connected with a power distribution terminal needing to be checked and accepted, the other channel is communicated with an intelligent checking and accepting device, and a communication target address at the side of the intelligent checking and accepting device is configured as the address of the power distribution main station;
and step 1.3, configuring different automatic acceptance rule templates including test contents, addition setting, tense factors, priorities and rule logic for the power distribution master station according to the model of the power distribution terminal equipment.
As a specific embodiment, the specific method of step 2 is:
step 2.1, completing communication connection and clock time synchronization between the power distribution main station and the power distribution terminal as well as between the power distribution main station and the intelligent acceptance check device;
2.2, selecting a distribution network equipment model and an automatic acceptance rule template which need to be accepted at the side of the power distribution main station;
and 2.3, issuing the determined equipment model point number and the automatic acceptance rule file to the intelligent acceptance device in an IEC104 protocol expansion mode.
As a more specific embodiment, the acceptance rule file is an XML format file.
As a specific embodiment, the specific method of step 3 is:
3.1, the power distribution master station sends an acceptance starting instruction to the intelligent acceptance device through an IEC104 downlink message;
Step 3.2, the intelligent acceptance inspection device analyzes the message, and after an acceptance starting command issued by the master station is received, the built-in signal source is controlled to output current, voltage and hard signals to the outside according to the requirements in sequence, and the power distribution terminal generates analog quantity, state quantity and protection signals and sends the analog quantity, state quantity and protection signals to the power distribution master station;
and 3.3, the power distribution main station directly sends a control command to the power distribution terminal according to the automatic acceptance rule, the power distribution terminal is linked with the primary equipment, and a result of successful or failed control is fed back to the power distribution main station.
As a specific implementation manner, the specific method of step 4 is:
4.1, the power distribution master station records numerical values of analog quantity, state quantity, protection signals and control signals received in the acceptance process in real time;
step 4.2, matching the received real-time measurement information and the alarm information with the test acceptance items in the automatic acceptance rule to find out the acceptance test items meeting all conditions;
and 4.3, generating an acceptance report, including the content of the acceptance items, the test data and the process information of each acceptance item, the correctness of the acceptance results and the possible reason analysis of errors.
As a more specific implementation mode, each acceptance item has own effective time, temporal constraints also exist among a plurality of preconditions of the acceptance item, when a certain acceptance item to be matched exceeds the effective time and does not meet all the preconditions, or the temporal constraints among the preconditions of the acceptance item are wrong, the acceptance item is failed to be matched, the acceptance item is removed from the cache to be matched, and when the preconditions and the temporal constraints of the acceptance item to be matched are completely met, the acceptance item is successfully matched.
Compared with the prior art, the invention has the following remarkable advantages: 1) the power distribution main station is matched with the intelligent acceptance device, the test result is automatically analyzed, the scheduling workload and the communication cost between the main station and the site are reduced, and the standardization of the automatic acceptance work of the power distribution network is improved; 2) the intelligent acceptance device of the invention unifies and standardizes the interfaces, keeps the consistency of parameter configuration, equipment point list and acceptance rule through information interaction with the power distribution master station, improves the acceptance efficiency, and reduces configuration and coordination work which is carried out due to different manufacturer equipment; 3) the intelligent device automatically performs equipment addition, protection actions and the like according to standard acceptance rules, reduces the dependence of the field on devices such as a current source and a protection instrument, and greatly improves the efficiency of the field acceptance link; 4) the invention provides a standardized acceptance rule configuration method, which improves the standardization of automatic acceptance work of the distribution network.
Drawings
Fig. 1 is an architecture diagram of an automatic joint debugging and acceptance inspection system of a power distribution master station and a terminal based on an intelligent acceptance inspection device.
Fig. 2 is a flow chart of the automatic joint debugging and acceptance method of the power distribution main station and the terminal based on the intelligent acceptance device.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
The invention realizes the automatic acceptance of the power distribution equipment by closely matching the intelligent acceptance device with the automatic acceptance function software of the power distribution main station, and comprises the following specific steps:
Step 1.1, field configuration
Completing the wiring connection among the intelligent acceptance device, the secondary terminal equipment and the primary switch equipment;
the telemetering and remote signaling (without switch position signals) signal output of the intelligent acceptance device is connected with the corresponding input port of the secondary terminal equipment;
in order to truly reflect the action condition of the primary switch equipment during remote control test, the switch position signal and the control signal of the primary equipment are directly output by the secondary terminal equipment (through a master station remote control command);
the intelligent acceptance device is matched with a standard adapter, so that the standard aviation plug and the banana terminal are both supported, and the intelligent acceptance device is suitable for various power distribution terminal devices.
Step 1.2, communication parameter configuration
The intelligent acceptance device side configures a communication target address as a power distribution master station address, a wireless communication module and a safety encryption core are arranged in the intelligent acceptance device side, communication with the master station is supported in a 3G/4G mode, and the safety protection requirement of power distribution automation is met;
Two channels are configured on the side of the power distribution master station, one channel is connected with a power distribution terminal needing to be checked and accepted, and the other channel is communicated with the intelligent checking and accepting device;
the communication between the power distribution main station and the intelligent acceptance check device supports a standard IEC104 protocol, and information interaction and equipment linkage are carried out through 104 communication messages.
Step 1.3, automatic acceptance rule template configuration
The automatic acceptance function of the power distribution master station supports different automatic acceptance rule templates configured according to different types of power distribution terminal equipment;
the main contents of the rule definition include:
test content-test items and test order to be accepted;
the addition setting is the threshold value of the analog quantity which needs to be injected and corresponds to the acceptance test item;
temporal factors — temporal relationships between conditions in a certain acceptance rule and the validity time of the rule itself;
priority-when a condition is used by multiple acceptance rules, it is treated according to priority level;
rule logic-the inherent logical relationships between conditions, which are requirements and which are sufficiency.
Step 2, data consistency processing before acceptance check
Step 2.1, the power distribution master station, the power distribution terminal and the intelligent acceptance device establish communication connection:
And stable communication connection is established between the power distribution main station and the power distribution terminal and between the power distribution main station and the intelligent acceptance device, and clock synchronization is carried out.
2.2, selecting a distribution network equipment model and an acceptance rule template which need to be accepted by the distribution main station side:
the dispatcher selects a distribution network equipment model (a switch, a ring main unit, a transformer and the like) needing to be checked and accepted on a power distribution main station side human-computer interface electrical wiring diagram, and selects an existing automatic checking and accepting rule template or a newly-built automatic checking and accepting rule.
Step 2.3, the power distribution master station synchronization model and the acceptance rule file are transmitted to the intelligent acceptance device
And the power distribution master station issues the determined equipment model point number and the automatic acceptance rule file to the intelligent acceptance device in an IEC104 protocol expansion mode. The rule file is an XML format file and mainly defines an equipment model, a test sequence, an adding quantity size, a temporal factor (such as timeout time and adding quantity duration) and the like.
Step 3, automatic acceptance check and dosage control
Step 3.1, the power distribution master station issues an acceptance starting instruction
The power distribution master station issues an acceptance starting instruction to the intelligent acceptance device through the IEC104 downlink message, and scheduling personnel are not required to participate in the follow-up whole acceptance process.
Step 3.2, automatic dosage test of intelligent acceptance inspection device
The intelligent acceptance device supports a windows operating system and is internally provided with a signal source.
The intelligent acceptance device is deployed and operated with automatic acceptance background service software, and the background software and the signal source are communicated by adopting a UDP protocol. After the intelligent acceptance device analyzes the XML file, after an acceptance starting command issued by the main station is received, the intelligent acceptance device controls the signal source to output current, voltage and hard signals to the outside according to the requirements in sequence. The generated analog quantity, state quantity and protection signal are transmitted to the master station from the power distribution terminal.
Step 3.3, the master station automatically issues the control command
For remote control and remote regulation, the automatic check and acceptance function module of the power distribution main station directly issues a control command to the power distribution terminal according to the rule, actual primary equipment is linked, and the result of successful or failed control is fed back to the power distribution main station by the power distribution terminal.
Step 4, automatic acceptance result analysis and report output
Step 4.1, automatic acceptance process data recording
The automatic power distribution main station acceptance function module is responsible for recording numerical values and change processes of analog quantity, state quantity, protection signals and control signals received in the acceptance process in real time.
Step 4.2, matching acceptance rules in real time
The automatic power distribution main station acceptance function module matches with the test acceptance items in the acceptance rules according to the received real-time measurement information and the alarm information, and finds out the acceptance test items meeting all conditions.
Each acceptance item has own effective time, temporal constraints also exist among a plurality of preconditions of the acceptance item, and when a certain acceptance item to be matched in the cache exceeds the effective time and does not meet all the preconditions, or the temporal constraints among the preconditions of the acceptance item are wrong, the acceptance item is failed to be matched, and the acceptance item is removed from the cache to be matched.
And when the precondition and the temporal constraint of the acceptance item to be matched are completely met, the acceptance item is successfully matched.
When the acceptance is finished, all the acceptance items in the acceptance rule should be completely matched (the matching is successful or unsuccessful)
Step 4.3, automatically generating an acceptance report when the automatic acceptance is finished
The acceptance report should have: (1) content of acceptance items (2) test data and process information of each acceptance item (3) correctness of acceptance results (4) analysis of possible causes of errors
The invention replaces the traditional manual point aligning power distribution equipment acceptance method, automatically completes the information acceptance work of the power distribution network automation equipment (ring network, column switch, cell transformer, switching station and the like), greatly reduces the labor cost and communication cost, improves the work efficiency and accuracy and standardizes the power distribution acceptance work.
Claims (2)
1. A power distribution main station and terminal automatic joint debugging acceptance method based on an intelligent acceptance device is characterized by comprising the following steps:
step 1, configuration of an acceptance environment: carrying out field configuration, communication parameter configuration and automatic acceptance rule template configuration;
step 2, data consistency processing: the clocks of the power distribution master station, the power distribution terminal and the intelligent acceptance device, the distribution network equipment model and the distribution network equipment model are subjected to consistency processing;
step 3, automatic acceptance and dosage control: the power distribution master station controls the power distribution terminal to generate analog quantity, state quantity and protection signals and is linked with the primary switch equipment;
step 4, analysis of acceptance results: the power distribution master station records the measurement information and the alarm information received in the acceptance process in real time, matches the measurement information and the alarm information with the acceptance rules, finds out acceptance test items meeting the conditions and generates an acceptance report;
the specific method of the step 1 comprises the following steps:
step 1.1, completing wiring connection among the intelligent acceptance device, the secondary terminal equipment and the primary switch equipment, connecting the telemetering and remote signaling signal output of the intelligent acceptance device with the corresponding input port of the secondary terminal equipment, and outputting telemetering and remote signaling by the intelligent acceptance device; connecting the switch position signal and the control signal of the primary equipment with the corresponding input ports of the secondary terminal equipment, and still directly outputting a control command by the primary station through the secondary terminal equipment;
Step 1.2, two channels are configured at the side of a power distribution main station, one channel is connected with a power distribution terminal needing to be checked and accepted, the other channel is communicated with an intelligent checking and accepting device, and a communication target address at the side of the intelligent checking and accepting device is configured as the address of the power distribution main station;
step 1.3, configuring different automatic acceptance rule templates including test contents, addition setting, temporal factors, priorities and rule logics for a power distribution master station according to the model of power distribution terminal equipment;
the specific method of the step 2 comprises the following steps:
step 2.1, completing communication connection and clock time synchronization between the power distribution main station and the power distribution terminal as well as between the power distribution main station and the intelligent acceptance device;
2.2, selecting a distribution network equipment model and an automatic acceptance rule template which need to be accepted at the side of the distribution main station;
step 2.3, the determined equipment model point number and the automatic acceptance rule file are issued to the intelligent acceptance device in an IEC104 protocol expansion mode;
the acceptance rule file is an XML format file;
the specific method of the step 3 comprises the following steps:
3.1, the power distribution master station sends an acceptance starting instruction to the intelligent acceptance device through an IEC104 downlink message;
step 3.2, the intelligent acceptance device analyzes the message, and after receiving an acceptance starting command issued by the main station, the intelligent acceptance device controls the built-in signal source to output current, voltage and hard signals to the outside according to the requirements in sequence, and the power distribution terminal generates analog quantity, state quantity and protection signals and transmits the analog quantity, state quantity and protection signals to the power distribution main station;
3.3, the power distribution master station directly sends a control command to the power distribution terminal according to the automatic acceptance rule, the power distribution terminal is linked with the primary equipment, and the result of successful or failed control is fed back to the power distribution master station;
the specific method of the step 4 comprises the following steps:
4.1, the power distribution master station records the numerical values of the analog quantity, the state quantity, the protection signal and the control signal received in the acceptance process in real time;
step 4.2, matching the received real-time measurement information and the alarm information with the test acceptance items in the automatic acceptance rule to find out the acceptance test items meeting all conditions;
and 4.3, generating an acceptance report, including the content of the acceptance items, the test data and the process information of each acceptance item, the correctness of the acceptance results and the possible reason analysis of errors.
2. The automatic joint debugging acceptance method of the power distribution master station and the terminal based on the intelligent acceptance device as claimed in claim 1, wherein each acceptance item has its own effective time, temporal constraints also exist among a plurality of preconditions of the acceptance item, when a certain acceptance item to be matched exceeds the effective time in the cache and does not meet all the preconditions, or the temporal constraints among the preconditions of the acceptance item are wrong, the acceptance item is failed to be matched and removed from the cache to be matched, and when the preconditions and the temporal constraints of the acceptance item to be matched are completely met, the acceptance item is successfully matched.
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| CN111564905A (en) * | 2020-06-10 | 2020-08-21 | 国网四川省电力公司电力科学研究院 | Automatic simultaneous joint debugging method and system for unattended multiple power distribution terminals of main station |
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| CN113533887B (en) * | 2021-07-21 | 2024-01-26 | 广东电网有限责任公司 | Intelligent debugging method and system for power distribution terminal |
| CN114069836A (en) * | 2021-09-28 | 2022-02-18 | 国网浙江省电力有限公司杭州供电公司 | Artificial intelligence-based docking method for operation and maintenance operation of distribution automation system |
| CN114137348B (en) * | 2021-11-29 | 2023-11-24 | 国网湖南省电力有限公司 | Intelligent joint debugging acceptance method and acceptance equipment for power distribution terminal |
| CN114285163B (en) * | 2021-12-22 | 2023-01-20 | 江苏米格电气集团股份有限公司 | On-site convenient acceptance method based on operation acceptance of power distribution terminal |
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