|
US$809.00 · In stock
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: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| DL/T 1131-2019 | English | 809 |
Add to Cart
|
6 days [Need to translate]
|
System Test Standard for ±800kV HVDC Project
| Valid |
DL/T 1131-2019
|
| DL/T 1131-2009 | English | RFQ |
ASK
|
6 days [Need to translate]
|
System Test Standard for ±800kV HVDC Project
| Obsolete |
DL/T 1131-2009
|
PDF similar to DL/T 1131-2019
Basic data | Standard 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Count Estimation | 35,347 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2019-10-01 | | Older Standard (superseded by this standard) | DL/T 1131-2009 | | Regulation (derived from) | Natural Resources Department Announcement No. 7 of 2019 | | Issuing agency(ies) | National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 contents
Foreword... 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...6
Foreword
This 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 Regulations
1 Scope
This 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 references
The 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 procedures
3 Terms and symbols
3.1 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 converter
4 General
4.1 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 equipment charging/powering off. The test procedures and requirements are as follows.
1) Manually turn on/off the AC filter bank, shunt capacitor bank, and SVC power-side circuit breaker in sequence, and send to each group of AC filter bank,
Parallel capacitor bank and SVC equipment charging. The charging time of each AC filter bank, shunt capacitor bank and SVC should not be
Less than 2h; then manually disconnect the power-side circuit breaker to cut off the power.
2) The AC filter bank, shunt capacitor bank, SVC power supply side circuit breaker operation and closing angle control device function correctly and should be able to
Successfully cast/cut the corresponding capacitive load. The insulation of the equipment in this group should be able to withstand AC voltage without obvious discharge;
There should be no oil leakage in the capacitor and no obvious deformation of the fuel tank. The unbalanced current of the capacitor should be within the allowable range of the technical specifications; there should be no protective action.
3) Check the operation of the arrester. Measure AC filter/shunt capacitor bank/SVC switching to the converter bus (or lead) electricity
And monitor the temperature of related equipment.
4) During the 2h charging process, the AC filter bank/shunt capacitor bank/SVC measurement and protection secondary circuit should be checked,
Mainly include voltage secondary circuit, amplitude, phase sequence, and current secondary circuit, polarity, etc.
d) Charging/powering off the AC shunt reactor group (if any). The test procedures and requirements are as follows.
1) Manually close/open the circuit breakers on the power supply side of each AC shunt reactor group in turn to charge the shunt reactor group. Each parallel reactance
The electrification time of the unit should be no less than 2h, and then manually disconnect the circuit breaker on the power side to cut off the power.
2) The circuit breaker on the power supply side of the parallel reactor group should be able to successfully switch/cut the corresponding inductive load. The insulation of the equipment in this group shall be able to withstand
Under AC voltage, there should be no obvious discharge phenomenon; there should be no protective action.
3) Check the operation of the arrester. Test the impact of AC reactor switching on the AC bus (or lead) voltage of the converter station, and
Monitor the temperature of related equipment.
4) During the 2h charging process, the secondary circuit of shunt reactor measurement and protection should be checked, mainly including voltage secondary
Loop, amplitude, phase sequence, and current secondary loop, polarity, etc.
e) The station is charged with a transformer. The power-side circuit breaker of the transformer used in the closing station shall be checked with load during the charging period. There should be no
The protection action and load capacity should meet the design requirements.
5.2.4 Converter transformer and converter charging test
a) The converter transformer and converter charging test items are carried out on two poles, and two 12-pulse converters for each pole are carried out separately.
b) The test procedures and requirements are as follows.
1) Switch on/off the grid-side circuit breaker of the converter transformer, to the converter transformer and the one that is in a locked state and the DC line side of the station is open
The converter valve group is charged. During the station system test, the converter transformer should be charged at least 5 times. Which should be charged once
The charging time is greater than 1h, and the interval between each charge is 0.5h.
2) The peak value of excitation inrush current and operating overvoltage when the converter transformer is charged should be within the expected limit value, and its resonance should be fully
Damping. The pre-check function of the thyristor valve should be correct. The related converter transformer protection and converter valve protection should not be activated. The charging test
The inspection should not cause damage to the thyristor level. If an alarm signal for thyristor level damage occurs, the cause should be analyzed in time;
When a more serious inverter failure occurs, the test can be continued, and timely treatment should be performed.
3) Check the position of the tap and the starting of the converter transformer fan should meet the design requirements, and check the vibration, noise, and noise of the converter transformer.
The tap manual control function performs related measurements and tests.
5.2.5 Open circuit test (two poles are carried out separately)
a) Open circuit test (without DC line), manual mode, test procedures and requirements are as follows.
1) The DC neutral bus of this pole is connected to the grounding pole, the DC filter is turned on, the tested end is disconnected from the DC line, and the high-voltage side commutates
The DC coupling of the converter unit is disconnected, that is, the low-voltage converter unit is put into test; manual control mode, unlock the commutation of this pole
Device; divide the DC voltage from 0 into several steps according to the test plan to increase to half of the rated value, and keep it for at least 0.5h;
Th...
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. The purchased PDF of DL/T 1131-2019_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version DL/T 1131-2019?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version DL/T 1131-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|