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Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. DL/T 1131-2019: System Test Standard for ±800kV HVDC Project Status: Valid DL/T 1131: Historical versions
Basic dataStandard ID: DL/T 1131-2019 (DL/T1131-2019)Description (Translated English): System Test Standard for ��800kV HVDC Project Sector / Industry: Electricity & Power Industry Standard (Recommended) Classification of Chinese Standard: F22 Word Count Estimation: 35,347 Date of Issue: 2019-06-04 Date of Implementation: 2019-10-01 Older Standard (superseded by this standard): DL/T 1131-2009 Regulation (derived from): Natural Resources Department Announcement No. 7 of 2019 Issuing agency(ies): National Energy Administration DL/T 1131-2019: System Test Standard for ±800kV HVDC Project---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Boiler refractory material for thermal power plant ICS 29.240.01 F 22 People's Republic of China Electric Power Industry Standard Replace DL/T 1131-2009 System Test Procedure Refractory materials for boilers in thermal power plants 2019-06-04 released 2019-10-01 implementation Issued by National Energy Administration Table of contentsForeword... Ⅱ 1 Scope... 1 2 Normative references... 1 3 Terms and Symbols... 1 4 General... 1 5 station system test... 2 6 End-to-end system test...6ForewordThis standard is in accordance with the rules given in the national standard GB/T 1.1-2009 "Standardization Guidelines Part 1.Standard Structure and Compilation" Drafting. This standard is a revision of DL/T 1131-2009 "±800kV HVDC Transmission Engineering System Test Regulations", and is in line with the previous version of the standard In comparison, the main technical differences are as follows. -Added DC bias test; -Added ±800kV DC unipolar dual converter layered access system test. This standard was proposed by the China Electricity Council. This standard is under the jurisdiction of the High Voltage Direct Current Transmission Technology Standardization Technical Committee of the Power Industry. Drafting organizations of this standard. State Grid DC Construction Branch, China Electric Power Research Institute Co., Ltd., China Southern Power Grid Research Institute Co., Ltd. The main drafters of this standard. Yang Wankai, Li Wenyi, Bai Guangya, Yin Yonghua, Zeng Nanchao, Ma Weimin, Tao Yu, Wang Mingxin, Shi Yan, Yin Weiyang, Zheng Jin, Liu Yongdong, Li Xiaolin, Li Yan, Xu Jianfeng, Song Tao. After the implementation of this standard, it will replace DL/T 1131-2009. This standard was first published in July.2009, and this is the first revision. Opinions or suggestions during the implementation of this standard are fed back to the Standardization Center of the China Electricity Council (No. 1, Er Tiao, Baiguang Road, Xuanwu District, Beijing, 100761). ±800kV HVDC Transmission Engineering System Test Regulations1 ScopeThis standard specifies the items, requirements and acceptance criteria for system testing of ±800kV HVDC transmission engineering. This standard is applicable to bipolar ±800kV HVDC transmission projects where power can be transmitted in both directions and each station contains two 12-pulse converters in series.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 13498 Terminology for HVDC Transmission DL/T 1130-2009 HVDC transmission engineering system test regulations GB 50150 Electrical equipment installation engineering electrical equipment handover test standard DL/T 1129 DC converter station secondary electrical equipment handover test procedures3 Terms and symbols3.1 Terminology semantics 3.1.1 Converter station system test Refers to the completion and qualification of the sub-system test, the relevant primary equipment of the converter station has the electrified conditions, in accordance with the contract and technical specifications According to the requirements of the book, the test of converter station functions shall be checked in each converter station, namely, converter station equipment charging, sequence control function, DC line opening Road tests, etc., are also preparations for end-to-end system tests. 3.1.2 End to end system test Refers to verifying that the overall function of the entire DC transmission system meets the requirements of the functional specification based on the completion and qualification of the station system Performance indicators and tests to verify the joint operation performance of AC and DC systems. 3.1.3 Bypass breaker Refers to a circuit breaker connected in parallel to the high and low voltage ends of the 12-pulse converter unit. 3.1.4 Bypass disconnecter Refers to the isolation switch connected in parallel to the high and low voltage ends of the 12-pulse converter unit. 3.1.5 Disconnecter for connection with DC Bus Respectively on the high-voltage side and low-voltage side of the 12-pulse converter, in series with the isolation knife between the bypass circuit breaker and the bypass isolation switch connection point brake. 3.1.6 Hierarchical access Refers to a converter station with a very high and low-end converter connected to the AC grid of different voltage levels. 3.2 Symbols, codes and abbreviations The following symbols, codes and abbreviations apply to this document. SVC. Static voltage compensation CPU. Central Processing Unit Qref. Reference value of reactive power exchange between converter station and AC system Qex. The amount of reactive power exchange between the converter station and the AC system Q. The reactive power adjustment dead zone set by the control software Uref. Voltage reference value Uac. AC bus voltage of converter station U. is the voltage regulation dead zone set by the control software Udm. Voltage between the connection point of one pole two series converter and the bottom of the low-end converter4 General4.1 The engineering system test shall be carried out before the DC transmission project is put into commercial operation. 4.2 ±800kV DC transmission engineering system test shall be based on approval documents, engineering technical specifications, design drawings, procurement contracts, construction contracts, The engineering test plan and the regulations, standards, norms and procedures promulgated by the national and industry authorities required by it are the basis. 4.3 The scope of the station system test project mainly includes sequential operation test, outlet trip test, converter transformer and converter charging test, DC Line open circuit test, anti-interference test, station power switching test, zero power test, etc.; the order of each test item should be in accordance with the following clauses. In order. The AC field charging test can be carried out in the station system test or separately. 4.4 The project scope of the end-to-end system test includes the following. a) Refers to the test content of the DC system within the operating range allowed by the design and the site conditions, usually including single pole low power Four parts. rate test, single maximum power test, bipolar low power test, and double maximum power test; the order of each test item should be In accordance with the order of the subsequent clauses, and when the engineering and system conditions permit, try to combine the bipolar test project. b) During the end-to-end system test, the steady-state data at both ends, as well as the dynamic and transient process AC and DC system (including equipment) dynamic response characteristics, overvoltage, harmonic performance, converter station noise, radio interference, Tracking and monitoring of electromagnetic interference, grounding electrode status, etc.; the functions and performance indicators of the system and equipment should meet the requirements of technical specifications begging. After the end-to-end system test project is completed, the DC transmission project can be put into commercial operation. 4.5 The special requirements in the system test of DC transmission engineering are as follows. a) For the special functions/performance required by certain ±800kV DC projects, corresponding test items should be added according to the technical specifications of the project. b) The test items specified in this regulation, unless otherwise specified, can be specified to be carried out in any wiring operation mode within the design. For the And the test of step-down operation is carried out under the connection mode of dual 12-pulse converters for each pole. 4.6 The engineering system test specified in this standard shall be carried out after the equipment test and sub-system test of the corresponding part of the converter station are completed and passed the acceptance. OK; the final system test scope of the project is subject to the test plan approved by the project start-up committee. 5-station system test 5.1 Preparation and requirements for station system test 5.1.1 The converter station shall meet the following conditions before the station system test. a) The auxiliary power system of the station has the power supply conditions. b) The AC switchyard has the live condition. c) All equipment and facilities in the construction project and production area related to the test, roads inside and outside the station, water supply, fire protection and flood control works All have been completed according to the design and passed the inspection. The site of the production area is level, roads are unobstructed, platform railings and trench covers Complete, scaffolding, obstacles, combustible materials, construction waste, etc. have been removed. d) All tests of electrical equipment and sub-systems have been completed and qualified, and the relevant records are complete and complete and have passed the completion pre-inspection at this stage Close. All grounding wires in the area to be tested have been removed, and the cabinets have been closed and locked; construction temporary facilities that do not meet the requirements The inspection has been completely dismantled; the area to be tested and other areas have obvious isolation and indication signs. e) According to engineering design, all equipment in the station and its protection (including channels), microcomputer detection, control system, monitoring device and corresponding The auxiliary facilities are all installed, the test settings are qualified and the test records are complete; the equipment number, phase, and polarity have been identified and verified. f) According to the engineering design, the dispatching communication automation system, the safety automatic device and the corresponding auxiliary facilities are all installed, and the test is complete. Qualified and complete test records. g) Various measuring and metering devices and instruments are complete, which meet the design requirements and are qualified after verification. h) The power supply, lighting, communication, heating, ventilation, moisture-proof and other facilities used have been installed and tested according to the design requirements and have been put into normal use. i) The communication within the test range of the station system has been smooth. j) The water cooling system is ready for operation. k) The fire protection project has passed the inspection and acceptance of the fire department, and the fire protection facilities are complete and ready for use. l) The necessary spare parts and tools have been prepared. m) The personnel responsible for the test, maintenance and emergency repair of the station system have been in place, various test record forms have been prepared, and the test equipment has been adjusted. n) The construction, production operation, scheduling, and test units participating in the station test have put the audited procedures, systems, system charts, and record sheets Grids, safety equipment, etc. are ready, and the equipment to be put in has been marked, named and numbered. o) Confirm that there is no alarm signal affecting the station system test in the monitoring system. 5.1.2 Before the station system test, the transmission line should meet the following conditions. a) The completion pre-acceptance and the quality supervision inspection of the power construction quality supervision station hosted by the project legal person or the construction unit have been completed. b) The issues affecting the safe operation of the line have been resolved. c) The personnel responsible for the trial operation and maintenance of the line have been equipped and certified to work. The start-up trial operation team has reported the trial trial plan to the participants. d) The line's operating pole number, polarity mark, and relevant protection facilities specified in the design have been accepted and qualified. e) The temporary grounding wires of the line (including the converter stations at both ends) have been removed. f) It has been confirmed that there is no one on the line to climb the pole, and all operations within a safe distance have been stopped, and a live operation notice has been issued to the line along the line. And have done all the inspection and maintenance work before the test. g) The line protection (including channel) and automatic devices specified in the design have been put into use. h) The circuit insulation resistance and frequency characteristic parameters have been tested. 5.1.3 Before the station system test, the ground electrode and ground electrode circuit should meet the following conditions. a) The completion pre-acceptance and the quality supervision inspection of the power construction quality supervision station hosted by the project legal person or the construction unit have been completed. b) The facilities that affect the normal operation of the ground electrode and the ground electrode circuit have been removed on site, and the terrain and landforms damaged by the construction have been repaired, and it is safe The signs and protective facilities are intact and clearly visible. 5.1.4 The organization for the station system test has been established and meets the requirements of DL/T 1130-2009; the station system test plan and scheduling plan have been approved Standard; safety measures have been formulated and approved. 5.1.5 The communication between the converter station and the relevant dispatching agency has been smooth. 5.1.6 The start-up application for the new equipment has been approved; the test dispatching groups at all levels and relevant test personnel have The system test scheduling plan and the test plan are already familiar, and the test project operation ticket is ready in accordance with the scheduling regulations. The permit for the test conditions of the station system has been processed. 5.2 Station system test items and requirements 5.2.1 Uncharged sequential operation test a) The uncharged sequential operation test items should be carried out separately at the two poles when the AC bus of the converter station is uncharged. In addition to conventional DC In addition to the sequence control function, the manual/automatic sequence operation of the ±800kV DC project also includes a single 12-pulse inverter in each pole and a dual 12 Connection/isolation of pulsating converters, including their respective parallel circuit breakers, isolating switches, connecting busbar switches, and grounding blades The opening/closing sequence and interlock function of the brake. The sequential operation test can be tested with or without inter-station communication. b) Manual control mode to check the single-step operation and interlocking of the AC field of the converter station (including maintenance at intervals, cold standby, charging, etc.). order The correct operation should be executed; the wrong operation should be rejected. c) Manual control mode inspection of single-step operation and interlocking of the DC field of the converter station (including maintenance of valve hall and DC field, cold standby, DC field Connection etc.). Operations in the correct order should be executed; operations in the wrong order should be rejected. d) Check the sequence automatic operation control and interlocking of the AC field of the converter station. Sequential automatic operations should be able to be executed in sequence. When a sequence When it fails to complete, there should be corresponding alarm information, and the corresponding equipment should be able to manually return to the previous defined state or enter the next defined state. e) Check the sequence automatic operation control and interlocking of the DC field of the converter station. Sequential automatic operations should be able to be executed in sequence. When a sequence When it fails to complete, there should be corresponding alarm information, and the corresponding equipment should be able to manually return to the previous defined state or enter the next defined state. 5.2.2 Exit trip test a) The outlet tripping test item should be carried out on the two poles separately when the converter transformer and AC filter are not charged. b) The inverter DC protection system has tripped. The test procedures and requirements are as follows. 1) Apply a trip signal from the inverter's DC protection and converter transformer protection to the trip outlet terminal of the protection under test to trip the converter AC circuit breaker on the grid side of the corresponding converter transformer. 2) The trip circuit of each protection should be able to correctly trip the AC circuit breaker on the grid side of the converter transformer, and send out corresponding signals and event records. c) The extreme DC protection system trips. The test procedures and requirements are as follows. 1) Apply a trip signal from the trip outlet terminal of the tested protection for the DC protection of the pole, and trip the AC circuit breaker on the grid side of the corresponding converter transformer of the pole. 2) The trip circuit of each protection should be able to correctly trip the AC circuit breaker on the grid side of the converter transformer, and send out corresponding signals and event records. d) Protection trip test of AC filter/shunt capacitor bank/reactor. The test procedures and requirements are as follows. 1) Apply a trip signal from the corresponding protection trip outlet terminal of the AC filter/shunt capacitor bank to trip the AC circuit breaker on the power supply side. 2) The trip circuit of each protection should be able to correctly trip the AC circuit breaker on the power supply side, and send out corresponding signals and event records. e) Manual emergency trip. The test procedures and requirements are as follows. 1) Manually press the emergency shutdown button of the corresponding pole in the main control room to trip the AC circuit breaker on the grid side of the converter transformer. 2) The AC circuit breaker on the grid side of the converter transformer should be able to trip correctly and send out corresponding signals and event records. 5.2.3 AC field charging a) AC field charging refers to the charging of reactive power compensation equipment such as the AC bus (or lead) of the converter station, AC filter, and station transformer. b) Charging/powering off the AC bus (or lead) of the converter station. The test procedures and requirements are as follows. 1) Manually close the AC bus (or lead) power side circuit breaker of the converter station to charge the AC bus (or lead) of the converter station. band The electric time is not less than 0.5h. Then manually switch the AC bus (or lead) power side circuit breaker of the converter station to make the AC bus The wire (or lead) is de-energized. 2) Check the operation of the arrester. The operation of the circuit breaker, the isolating switch and the function of the closing angle control device should be correct; The insulation of the equipment connected to the flow bus (or lead) should be able to withstand AC voltage without obvious discharge. c) AC filter bank, shunt capacitor bank, SVC equipm......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of DL/T 1131-2019_English be delivered?Answer: Upon your order, we will start to translate DL/T 1131-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of DL/T 1131-2019_English with my colleagues?Answer: Yes. 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