HOME Cart(12) Quotation About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (1 Nov 2025)

DL/T 2042-2019 English PDF

US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
DL/T 2042-2019: Technical specification for HVDC thyristor level test equipment
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
DL/T 2042-2019	English	259	Add to Cart	3 days [Need to translate]	Technical specification for HVDC thyristor level test equipment	Valid	DL/T 2042-2019

PDF similar to DL/T 2042-2019

Standard similar to DL/T 2042-2019

GB/T 18910.2 DL/T 2069

Basic data

Standard ID	DL/T 2042-2019 (DL/T2042-2019)
Description (Translated English)	Technical specification for HVDC thyristor level test equipment
Sector / Industry	Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard	L43
Classification of International Standard	29.200
Word Count Estimation	11,187
Date of Issue	2019-06-04
Date of Implementation	2019-10-01
Quoted Standard	GB/T 2887-2011; GB/T 4208-2017; GB/T 7268; GB/T 9174-2008; GB/T 11287-2000; GB/T 14537-1993; GB/T 14598.27-2017; GB/T 19520.12; IEC 62151
Issuing agency(ies)	National Energy Administration
Summary	This standard specifies the technical requirements, technical parameters and performance requirements, test function requirements, inspection rules, product identification, complete sets of supply and basic requirements for packaging, transportation and storage of HVDC converter valve thyristor-level test devices. This standard is applicable to the thyristor-level test device of the converter valve of the DC transmission system with voltage levels of ��1100kV and below. This device is generally used for factory ex-factory test of converter valve thyristor level, routine maintenance and diagnostic test in the station.

DL/T 2042-2019: Technical specification for HVDC thyristor level test equipment

---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.
Technical specification for HVDC thyristor-level test equipment ICS 29.200 L 43 Record number. 63143-2018 People's Republic of China Electric Power Industry Standard Thyristor-level test device for HVDC converter valve specifications 2019-06-04 released 2019-10-01 implementation Issued by National Energy Administration

Foreword...IV 1 Scope...1 2 Normative references...1 3 Terms and definitions...1 4 Technical requirements...2 5 Technical parameters and performance requirements...4 6 Test function requirements...5 7 Inspection rules...6 8 Packaging, transportation and storage...7 9 Product identification...7 10 Supply complete set...7

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. 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 Corporation of China, Xuji Group Co., Ltd., Xi’an Jiaotong University, State Grid Corporation of China Global Energy Internet Research Institute Co., Ltd., China Power Technology Equipment Co., Ltd. The main drafters of this standard. Chang Yong, Zhang Ping, Ma Junmin, Hu Siquan, Dong Chaoyang, Zhang Qiaogen, Zhang Jing, Zheng Xiaolai. The opinions or suggestions during the implementation of this standard are fed back to the Standardization Management Center of the China Electricity Council (Xuanwu District, Beijing) No. 1, Er Tiao, Guang Road, 100761). Technical conditions for the use of thyristor-level test devices for HVDC converter valves

1 Scope

This standard specifies the terms and definitions, use environmental conditions, and technical parameters of HVDC converter valve thyristor-level test devices And the basic requirements of performance, inspection rules, product identification, packaging, transportation and storage. This standard applies to thyristor-level test devices for converter valves of DC transmission systems with voltage levels of ±1100kV and below. The device is generally used Factory test at the thyristor level of the converter valve, routine maintenance in the station and diagnostic test.

2 Normative references

The following documents are indispensable for the application of this standard. For dated reference documents, only the dated version applies to this file. For undated references, the latest version (including all modifications) applies to this document. GB/T 2887-2011 General Specification for Computer Site GB/T 4208-2017 Enclosure protection grade (IP code) GB/T 7268 The basic size series of plug-in boxes and plug-in panels for power system protection and automation equipment GB/T 9174-2008 General technical requirements for general cargo transportation packaging GB/T 11287-2000 Electrical Relay Part 21.Vibration, Shock, Impact and Seismic Test of Measuring Relays and Protection Devices Test Part 1.Vibration Test (Sine) GB/T 14537-1993 Impact and collision test for measuring relays and protection devices GB/T 14598.27-2008 Measuring Relays and Protection Devices Part 27.Product Safety Requirements GB/T 19520.12 Mechanical Structure of Electronic Equipment 482.6 mm (19 in) Series Mechanical Structure Dimensions Part 3-101.Sub-box and Plug-in

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Thyristor level A valve component composed of a single thyristor stage, a damping circuit and a control unit directly connected to it (see Figure 1). Figure 1 Schematic diagram of thyristor stage 3.2 Low-voltage test of thyristor level Thyristor-level tests with test voltages less than 1000V include short-circuit test, impedance test, trigger test, etc. 3.3 High-voltage test of thyristor level Thyristor-level tests with test voltages greater than 1000V, including forward protection trigger test, recovery period protection trigger test, reverse resistance Pressure test, etc. 3.4 Short circuit test A test to determine whether the thyristor stage is short-circuited. 3.5 Impedance test Test to measure the impedance of thyristor-level components. 3.6 Firing test A test to determine whether the conventional trigger function of the thyristor level is normal. 3.7 Protective firing test A test to determine whether the protective trigger function of the thyristor level is normal when subjected to a forward overvoltage. 3.8 Recovery protection firing test A test to determine whether the thyristor-level recovery period protection trigger function is normal. 3.9 Reverse withstand voltage test Judge whether the reverse impulse voltage performance of the thyristor level meets the design requirements.

4 Technical requirements

4.1 Environmental conditions 4.1.1 Ambient conditions for normal work The environmental conditions for the normal working of the equipment are. a) Ambient temperature. -10℃～55℃; b) Relative humidity. 5%～95%; 4.1.2 Other requirements of the use environment The equipment use environment should meet the following requirements. a) Vibration that exceeds the severity level 1 specified in GB/T 11287-2000 should not occur; b) There is a reliable grounding point, and the grounding resistance should meet the requirements of 4.4 in GB/T 2887-2011. 4.2 Insulation requirements 4.2.1 Insulation resistance When the device is subjected to insulation resistance test under standard atmospheric conditions, the following requirements shall be met. a) The power input of the device is tested with a 500V insulation resistance meter against the metal shell, and the insulation resistance should not be less than 100MΩ. b) The power input and voltage output of the device are tested with a 500V insulation resistance meter, and the insulation resistance should not be less than 100MΩ. 4.2.2 Medium strength a) The power input of the device can withstand a DC test voltage of 3kV to the metal casing for 1 minute, and the leakage current is not more than 5mA Withstand voltage test without insulation breakdown or flashover. b) The power output circuit of the device can withstand a DC test voltage of 10kV to the metal shell, which lasts for 1 minute, and the leakage current is not large In the 5mA withstand voltage test, there is no insulation breakdown or flashover. 4.2.3 Impulse voltage a) The power input of the device should be able to withstand an impulse voltage with a standard lightning peak value of 5kV to the ground without insulation breakdown or flashover The phenomenon appears. b) The voltage output circuit of the device should be able to withstand the impulse voltage of the standard lightning wave with a peak value of 10kV to the ground without insulation breakdown or The flashover phenomenon appears. 4.3 Mechanical requirements 4.3.1 Vibration (sinusoidal) The device shall have the ability to withstand the vibration response and durability of the severity level 1 specified in 3.2.1 of GB/T 11287-2000. 4.3.2 Impact The device shall have the ability to withstand the impact response and durability of the severity level 1 specified in 4.2.1 of GB/T 14537-1993. 4.3.3 Collision The device should have the ability to withstand the impact of the severity level 1 specified in 4.3 of GB/T 14537-1993. 4.4 The influence of power supply The working power supply of the device should be able to work reliably when the power supply voltage range of AC220 (-15%～10%) V is changed. Performance parameters Meet the requirements of this standard. 4.5 Structure and appearance requirements 4.5.1 Chassis and plug-in dimensions The size of the chassis and plug-in unit of the device should meet the requirements of GB/T 7268 and GB/T 19520.12. 4.5.2 Surface coating The color coated on the surface of the device should be uniform, without obvious color difference and glare, and the surface should be free of defects such as sand particles, wrinkles and flow marks. 4.5.3 Plug-in performance The plug-in unit in the device should have a locking mechanism, which is flexible in insertion and removal and good interchangeability. 4.6 Safety requirements 4.6.1 General safety requirements The general safety requirements are as follows. a) The device should have an obvious grounding mark, and reliable grounding should be ensured during use. The device should not endanger the tester and the tested Safety of equipment. b) The safety requirements of the device do not involve functional characteristics. The safety-related design and application of the components used in the device shall comply with The requirements of 8.3 in GB/T 14598.27-2008. c) Starting from the device design, including component selection and layout, wire size and connection, structural layout, grounding, shape structure, To the determination of manufacturing, installation and marking, full consideration should be given to making the device stand by under normal working conditions and single fault conditions. Minimize the danger of fire and electric shock or harm to users. d) The conductor and its cross-sectional area shall fully comply with the electrical, mechanical and climatic requirements of this standard. e) The safety performance of the port connected to the communication network should meet the requirements of IEC 62151. f) The device should have obvious display status such as sound or indicator light. 4.6.2 Enclosure protection (IP code) The protection of each part of the device shell shall meet the requirements of IP21 level specified in GB/T 4208-2017. 4.6.3 Flammability and fire prevention The flammability level of the insulating materials and components used in the device should comply with the provisions of GB/T 14598.27-2008 in 7.5.Device The fireproof enclosure should meet the requirements in 7.9 of GB/T 14598.27-2008. 4.6.4 Safety signs The device should have safety signs, and the safety signs used should comply with the provisions of GB/T 14598.27-2008, 9.1.

5 Technical parameters and performance requirements

5.1 Technical parameters 5.1.1 Power input 5.1.2 Device low voltage test technical parameters Impedance measurement uncertainty. not more than 5% 5.1.3 Technical parameters of sine generator (if any) a) Frequency range. 100Hz～150kHZ b) Frequency accuracy. ±2% (fixed value) c) Maximum peak voltage. 10V d) Maximum peak current. 100mA 5.1.4 Technical parameters of device high-voltage test a) Output voltage range. 1) Forward protection trigger test. DC 5 kV ～10kV 2) Protection trigger test during recovery period. DC 300 V ～2500V 3) Reverse withstand voltage test. DC 5 kV ～10kV b) Measurement uncertainty. not more than 3% 5.2 Performance requirements 5.2.1 Mechanical properties The mechanical performance requirements are as follows. a) The device should be designed to be portable or mobile to facilitate the use of the converter station on site. b) The design of the device structure should fully consider the heat dissipation requirements. c) The device should be connected to the thyristor stage through a special test handle, which is compatible with the structure of the corresponding converter valve. 5.2.2 Trigger test test mode Trigger test test modes include. a) In-situ test mode. it has the in-situ test function during trigger test, that is, the device can provide the trigger monitoring unit at the thyristor level The optical interface of the element board is connected, and the trigger pulse is issued by the device during the test, and the test voltage is applied to both ends of the thyristor-level cathode and anode. The control thyristor stage is turned on normally. b) Remote test mode. It has the remote test function during trigger test, which can pass the external test when the DC control host is offline. Add a control signal to enable the valve control device to issue a trigger pulse, or the DC control host enters the test state to control the valve control to issue a trigger Pulse, the device applies a test voltage across the anode and cathode of the thyristor level to control the normal conduction of the thyristor level to meet the requirements of non-unplugging Requirement for testing of converter valve optical fiber. 5.2.3 Operation mode The device has three operation modes. single test, full sequence automatic test and customized sequence test, and can realize three operation modes Free switching. 5.2.4 Parameter modification The device shall have the functions of parameter modification and authority management. 5.2.5 Measuring points The device shall provide ports for monitoring the current and voltage waveforms output by the measuring device. 5.2.6 Interlock function design The device should have an interlock function. When only two switches are turned on at the same time, the test equipment works; otherwise, the equipment does not perform the test function. No test voltage output. 5.2.7 Interface requirements The device interface requirements are as follows. a) Background monitoring interface. all parameters of the device can be passed through the communication port (RS232, RS485, USB, Bluetooth, wifi, etc.) To be transmitted or read. b) Test signal output interface. a connecting device with locking device and protection function. c) Optical fiber interface. there should be optical fiber connectors such as ST, FC, etc. that match the thyristor-level control equipment. 5.2.8 Test handle The test requirements of relevant converter valve components of different structures shall be met.

6 Test function requirements

6.1 Test function The device should have at least the test functions listed in Table 1. 6.2 Test function requirements 6.2.1 Short circuit test Test whether the thyristor stage is short-circuited. Apply power frequency voltage to the thyristor level, test the thyristor according to the thyristor level voltage and current Whether the tube level is short-circuited. 6.2.2 Impedance test Test the impedance of the thyristor-level damping loop by applying different frequency AC sinusoidal currents corresponding to each component to the thyristor level. To test whether the resistance value and capacitance value of the damping circuit meet the design requirements. 6.2.3 Trigger test Verify the function of the thyristor-level trigger loop. Apply power frequency AC sinusoidal current that meets the design requirements of energy extraction at both ends of the thyristor stage Voltage, apply a trigger command synchronized to a certain trigger angle of the test voltage to the gate plate, and simultaneously monitor the voltage and current waveforms and determine the current peak value Whether the thyristor stage reaches the normal trigger state. 6.2.4 Forward protection trigger test Test the trigger function of the thyristor-level forward protection. Apply enough positive polarity to the test product to make the gate plate forward protection action By detecting the voltage and current of the thyristor level, it should be possible to accurately determine whether the thyristor level is triggered. The voltage applied in the test is generally greater than the crystal The design value of thyristor-level overvoltage protection is less than the highest forward withstand voltage of thyristor-level, and the voltage peak value is adjustable. 6.2.5 Protection trigger test during recovery period Test the trigger function of thyristor-level reverse recovery protection. The device can detect the turn-off time of the thyristor level and can recover in the reverse direction. During the recovery period, apply a positive impulse voltage to the test product to check the protection trigger function of the gate plate during the reverse recovery period. Recovery period protection trigger test Generally include the low-voltage protection trigger test during the recovery period and the high-voltage protection trigger test during the recovery period. 6.2.6 Reverse blocking test Test the thyristor-level reverse blocking capability. The test equipment should be able to accurately judge the crystal by detecting the thyristor-level voltage and current. Whether the thyristor level withstands reverse voltage. 6.2.7 Generate test report The test device has the function of automatically generating test reports. The test report should include the test date, test items, and test thyristors Level number, test result, "pass" or "unqualified" judgment, etc. 6.3 Test principle diagram The schematic diagram of the test principle is shown in Figure 2. Figure 2 Test principle diagram

7 Inspection rules

7.1 Factory inspection Before each set of test equipment leaves the factory, the technical inspection department of the manufacturer must conduct a comprehensive visual inspection and technical guidance of the equipment. For standard and technical performance inspection, the inspection items are in accordance with Table 2. 7.2 Periodic inspection The test device should be inspected regularly or sent for inspection when necessary. The inspection items are as specified in Table 2. 8 Packaging, transportation and storage 8.1 Packaging 8.1.1 The product should have inner and outer packaging, and have measures such as dustproof, rainproof, waterproof, room damp, shockproof, and anti-static. 8.1.2 The outer packaging box of the product shall be marked with a paint that is not easy to wash or fall off as follows. a) The name of the shipping company, product name, and model; b) The name, address and destination of the receiving unit; c) Overall dimensions of the packing box (length x width x height) and gross weight; d) The outside of the packing box should be marked with signs such as "moisture-proof", "upward", and "handle with care". 8.1.3 The package should be accompanied by the necessary software, manual, inspection report, accessories, packing list and product inspection certificate. 8.2 Transportation Products should be suitable for land, air, and water (sea) transportation. The transportation and loading and unloading must be strictly in accordance with the regulations on the packaging box and GB/T Relevant regulations in 9174-2008.The storage temperature of the packaged product during transportation is -40℃～55℃, and the relative humidity is not more than 95%. 8.3 Storage The packaged test device should be stored in a warehouse with an ambient temperature of -40 ℃ ~ 55 ℃ and a humidity of not more than 95%. Alkali, salt and corrosive and explosive gases are protected from dust, rain and snow. Products that are not used for a long time should be kept in their original packaging.

9 Product identification

The manufacturer shall clearly mark the following on the obvious part of the test device. a) Manufacturer's name, trademark, model, product serial number and date of manufacture. b) Safety signs and instructions for relevant precautions. c) The input and output ports of current and voltage, the signal optical fiber interface and the control buttons on the panel should have obvious colors or characters Logo. 10 Supply complete set 10.1 Supporting documents with the product The following documents should be attached to the factory products. a) Quality certification documents, with factory inspection records; b) Product specification; c) Product schematic diagram and wiring diagram (can be included in the product manual); d) Packing list. 10.2 Accessories supplied with the product The accessory parts supplied with the product should be indicated in the relevant documents and should include. a) Vulnerable parts and components; b) Product accessories; c) The spare parts and spare parts specified in the contract.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of DL/T 2042-2019_English be delivered?

Answer: Upon your order, we will start to translate DL/T 2042-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of DL/T 2042-2019_English with my colleagues?

Answer: Yes. The purchased PDF of DL/T 2042-2019_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+ countries

Question 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.

Refund Policy Privacy Policy Terms of Service Shipping Policy Contact Information