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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. DL/T 2034.1-2019: Technical conditions of power energy substitution equipment access to power grid -- Part 1: General rules Status: Valid
Basic dataStandard ID: DL/T 2034.1-2019 (DL/T2034.1-2019)Description (Translated English): Technical conditions of power energy substitution equipment access to power grid -- Part 1: General rules Sector / Industry: Electricity & Power Industry Standard (Recommended) Classification of Chinese Standard: F20 Classification of International Standard: 27.010 Word Count Estimation: 11,157 Date of Issue: 2019-06-04 Date of Implementation: 2019-10-01 Quoted Standard: GB/T 156; GB/T 311.1; GB 4824; GB 5226.1; GB/T 12326; GB/T 14285; GB/T 14549; GB/T 15543; GB/T 17626.2; GB/T 17626.3; GB/T 17626.4; GB/T 17626.5; GB/T 17626.11; GB/T 24337; GB/T 31960.3; GB 50054; GB 50061; GB/T 50065; GB 50217; DL/T 448; DL/T 698.31 Regulation (derived from): Natural Resources Department Announcement No. 7 of 2019 Issuing agency(ies): National Energy Administration Summary: This standard specifies the basic requirements, technical requirements, protection and metering requirements, performance requirements of electrical energy replacement equipment, equipment and grid interaction functions, communication and information security requirements, and testing and acceptance requirements for electrical energy replacement equipment to connect to the power grid. This part is applicable to the design, manufacturing, testing, operation and maintenance of electric energy substitute equipment with voltage levels of 35 kV, 10 kV and 220 V/380 V connected to the power grid. Refer to 10. kV execution. DL/T 2034.1-2019: Technical conditions of power energy substitution equipment access to power grid -- Part 1: General rules---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 conditions of power energy substitution equipment access to power grid-Part 1.General rules ICS 27.010 F 20 Record number. 63143-2018 People's Republic of China Electric Power Industry Standard Technical conditions for power substitution equipment to connect to the grid Part 1.General Rules 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 Definition of terms...1 4 Basic regulations...2 5 Technical requirements...2 6 Protection and measurement requirements...4 7 Performance requirements for electric energy replacement equipment...4 8 Interaction between equipment and power grid...5 9 Communication and information security requirements...6 10 Testing and acceptance requirements...6Foreword--Part 1.General rules; --Part 2.Electric boiler; --Part 3.Distributed electric heating equipment. This part is drafted in accordance with the rules given in GB/T 1.1-2009. Please note that certain contents of this standard may involve patents, and the issuing organization of this document does not bear the responsibility for identifying these patents. This part was proposed by the China Electricity Council. This part is under the jurisdiction of the National Smart Grid User Interface Standardization Technical Committee. The main drafters of this section. China Electric Power Research Institute Co., Ltd., State Grid Co., Ltd., China Southern Power Grid Co., Ltd. Company, Inner Mongolia Electric Power (Group) Co., Ltd., State Grid Tianjin Electric Power Company, State Grid Information and Communication Industry Group, State Grid Beijing Electric Power Company, Beijing Zhixin Microelectronics Technology Co., Ltd., State Grid Shanghai Electric Power Company, Wasion Information Technology Co., Ltd., Shenzhen Zhongdian Electric Power Technology Co., Ltd., State Grid Hunan Electric Power Co., Ltd., State Grid Liaoning Electric Power Co., Ltd., Guangzhou Naiqi Electric Technology Co., Ltd. Company, Beijing Tianrui Xiangde Metrology Technology Co., Ltd., Hebei Jiacheng Energy Technology Development Co., Ltd., Yantai Oriental Weston Electric Co., Ltd. Division. The main drafters of this section. Guo Bingqing, Zhong Ming, Cheng Ling, Sun Dinghao, Jin Lu, Xiao Yong, Li Kecheng, Jia Junqing, Tan Jian, Wang Xudong, Ding Yifeng, Luo Zhikun, Zhao Qingqi, Qu Bo, Ma Zongchao, Zhang Yin, Wang Xin, Qi Xueqing, Ma Liang, Wen Hui, Liu Wei, Yang Yi, Wu Zhijun, Xie Zunchen. If you have any comments or suggestions during the implementation of this standard, please send them to the Standardization Management Center of the China Electricity Council (Address. Beijing West No. 1 Ertiao, Baiguang Road, City District, Zip Code. 100761). Technical conditions for connecting electric energy substitute equipment to power grid Part 1.General rules1 ScopeThis part specifies the basic regulations, technical requirements, protection and metering requirements, and performance requirements for electric energy alternative equipment to connect to the power grid. Requirements, equipment and power grid interaction functions, communication and information security requirements, and testing and acceptance requirements. This part is applicable to the design, manufacturing, testing, and operation of the electric power substitute equipment of 35kV, 10kV and 220V/380V voltage levels connected to the power grid. According to Wei et al., 6kV and 20kV voltage level electric energy substitute equipment can be connected to the grid with reference to 10kV.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 156 standard voltage GB 311.1 Insulation coordination Part 1.Definitions, principles and rules GB 4824 Industrial, scientific and medical (ISM) radio frequency equipment disturbance characteristic limits and measurement methods GB 5226.1 Electrical Safety of Machinery Electrical Equipment of Machinery Part 1.General Technical Conditions GB/T 12326 Power quality voltage fluctuation and flicker GB/T 14285 Technical Regulations for Relay Protection and Safety Automatic Equipment GB/T 14549 Power quality public grid harmonics GB/T 15543 Three-phase voltage unbalance degree of power quality GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.3 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test GB/T 17626.5 Electromagnetic compatibility test and measurement technology surge (impact) immunity test GB/T 17626.11 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test GB/T 24337 Power Quality Interharmonics in Public Grid GB/Z 29328 Technical specification for power supply and self-provided emergency power supply configuration for important power users GB/T 31960.03 Technical Specification for Power Energy Efficiency Monitoring System Part 3.Communication Protocol GB 50054 Low Voltage Distribution Network Design Code GB 50061 66KV and below overhead power line design code GB 50065 Grounding design code for AC electrical installations GB 50217 Power Engineering Cable Design Standard DL/T 448-2016 Technical Management Regulations for Electric Energy Metering Devices DL/T 698.31 Electric energy information acquisition and management system Part 3-1.General requirements for technical specifications of electric energy information acquisition terminals3 Definition of termsThe following terms and definitions apply to this document. 3.1 Electric energy substitute equipment The equipment is driven by electric energy to realize the same functions as coal-fired, oil-fired, and gas-fired driving devices. But a single device, it can also contain software Complete sets of equipment including parts and multiple equipment. According to the type of energy converted from electric energy, the electric energy substitution equipment is divided into electric heating/cooling, electric conversion There are two types of power. 3.2 Electric heating/cooling equipment A device that is driven by electric energy and ultimately produces heat/cold energy. According to the application of equipment in different industries, it can be divided into building heating/cooling, engineering/ There are three types of heating/cooling for agricultural production and electric heating for household use. 3.3 Electric driving equipment The equipment that is driven by electric energy and finally produces kinetic energy can be divided into industrial/agricultural production, transportation and transportation according to the application of equipment in different industries. Lose in two categories.4 Basic regulations4.1 Electric heating/cooling Electric heating/cold electric energy alternative equipment can be divided into building heating/cooling equipment, industrial/agricultural production heating/cooling equipment, Three categories of household electric heating equipment. a) Building heating/cooling equipment. mainly including electric boilers, distributed electric heating (carbon crystal plates, heating cables, electric heating films, etc.), heat pumps, etc. Building electricity heating equipment and central air conditioning and other building electricity cooling equipment; b) Heating/cooling equipment for industrial/agricultural production. provide heating/cooling equipment for industrial/agricultural production processes, mainly including electric kilns, industrial electricity Heating equipment such as boilers and metallurgical electric furnaces and refrigeration equipment such as industrial central air-conditioning; c) Household electric heating equipment. mainly includes household electric heating equipment such as induction cookers, electric kettles, and electric water heaters. 4.2 Electric rotation force According to different main purposes, electric power substitute equipment for electric power can be divided into two categories. industrial/agricultural production equipment and transportation equipment. a) Industrial/agricultural production equipment. mainly refers to equipment driven by motors, which can be divided into auxiliary electric power according to different application scenarios Equipment, mining equipment, agricultural electric drainage and irrigation equipment, agricultural auxiliary production equipment, oil field drilling rigs, oil and gas pipeline power pressurization equipment Waiting b) Transportation equipment. mainly includes electric vehicles, rail transit, port shore power, airport bridge-mounted APU and other equipment.5 Technical requirements5.1 General requirements for grid connection The general requirements for access to the grid are as follows. a) There should be corresponding safety protection measures for electric energy substitution equipment connected to the grid, and should not affect the safe operation of the grid; b) The voltage level of access to the power grid is generally based on the local power grid conditions, the power consumption capacity of electric energy replacement equipment, and the simultaneous rate of power equipment, etc. Factors, determined after technical and economic comparison, need to meet the requirements of relevant grid standards; c) The power configuration of important power users should meet the requirements of the GB/Z 29328 standard. 5.2 Voltage level When electric energy substitute equipment is connected to the grid, the connected power supply voltage should be determined according to the capacity of the electrical equipment and the total capacity of the power receiving transformer Level, the selected standard voltage should meet the requirements of GB/T 156, and the power supply voltage level can generally be determined in Table 1. 5.3 Access method The access method requirements are as follows. a) 220/380V power supply electric energy substitute equipment, when the capacity is not more than 10/30kVA, it should be connected to the low-voltage distribution box; when it is larger, it should be connected Dedicated circuit for power distribution cabinet into the substation and distribution room; b) Electric energy substitute equipment connected to 10kV grid, less than.2000kVA should be connected to ring network room (box) or T connected to overhead line,.2000～ 4000kVA should be connected to a 10kV switching station, and a dedicated line with a capacity greater than 4000kVA should be connected; c) Electric energy substitute equipment connected to the 35kV grid should be connected to substations and switchyards. 5.4 Power distribution equipment 5.4.1 Distribution transformer The requirements for distribution transformers are as follows. a) Energy-saving transformers should be selected, and noise reduction measures should be taken in nearby residential areas (construction of power distribution rooms, construction of sound insulation walls or sound absorption barriers) Etc.), the transformers installed in the distribution room should use dry-type transformers; b) When an independent transformer is used, its capacity should be 1.1 to 1.5 times the rated power of the connected electric energy substitute equipment. 5.4.2 Distribution wires 5.4.2.1 220V/380V low voltage distribution wire The requirements for low-voltage power distribution wires are as follows. a) If the overhead line method is used for laying, insulation restoration treatment should be carried out after the connection line is connected. When laying along the wall, a flame-retardant, Insulated wire with low temperature resistance; b) When laying by cable lines, outdoor terminals should be selected for low-voltage cable laying and poles, and branch gloves and weather-resistant Protective tube, waterproof and anti-aging. 5.4.2.2 10kV distribution wire The requirements for 10kV distribution wires are as follows. a) If the overhead line is used for laying, the creepage distance of the line insulators in general areas should not be lower than the pollution level d specified in GB 50061. The configuration requirements of the filth degree, the rated lightning impulse withstand voltage can be selected from a level higher than the nominal voltage of the system, in line with GB 311.1.Except for the exposed parts of the grounding ring, the line should be connected to the pole transformer, pole switch, lightning arrester and cable terminal. Terminals, etc. are insulated and sealed, the conductor connection is encapsulated with flame-retardant insulation coil or flame-retardant insulation cover, and the jumper is connected to the insulation. The edge cover should be filled with insulating material; b) When laying by cable line, an outer sheath with waterproof, anti-termite and flame retardant properties should be adopted according to the use environment. Electricity The cable carrying capacity, the distance between the cable channel and other pipelines and the corresponding protective measures shall meet the requirements of GB 50217. 5.4.2.3 35kV distribution wire The selection of 35kV distribution conductor cross-section should meet the requirements of development and should be considered according to long-term planning.6 Protection and measurement requirements6.1 Protection Electric energy substitution equipment should be equipped with appropriate protection measures according to its power consumption characteristics. Other protection requirements are as follows. a) When the electric energy substitute equipment is connected with 220V, 380V voltage level, the low-voltage switchgear and protection of the power distribution line shall comply with The provisions of GB 50054, grounding type, grounding resistance, grounding devices, protective conductors, etc. should comply with the provisions of GB 50065; b) When the electric energy substitution equipment is connected with a voltage level of 10～35kV, the protection configuration should meet the requirements of GB/T 14285, grounding resistance, Grounding devices, etc. should meet the requirements of GB 50065. 6.2 Metering When electric energy replacement equipment is connected, the measurement requirements are as follows. a) For separately powered electric energy substitute equipment, an independent electric energy metering device should be equipped; for non-independently powered electric energy substitute equipment, It should be equipped with electric energy metering device following the equipment; b) The electric energy metering device of electric energy substitute equipment can be classified according to the amount of electric energy it counts and the degree of importance of measurement. According to the provisions of T448, the classification of Class I, II, and III can be determined according to the load capacity of electric energy substitute equipment or the average monthly power consumption. See Table 2.7 Performance requirements for electric energy replacement equipment7.1 Power quality 7.1.1 Harmonics and Interharmonics After the electric energy substitute equipment is connected, the harmonic voltage limit value, the allowable value of harmonic current, the limit value of interharmonics, etc. injected into the public grid access point should be divided Do not meet the requirements of GB/T 14549 and GB 24337. 7.1.2 Power factor The power factor of electric energy replacement equipment is not less than 0.85. 7.1.3 Voltage unbalance After the electric energy substitute equipment is connected, the voltage imbalance caused by the access point should meet the requirements of GB/T 15543. 7.1.4 Voltage fluctuation and flicker After the electric energy substitute equipment is connected, the allowable value of voltage fluctuation due to load fluctuations such as the start and stop impact of the equipment shall comply with GB/T 12326 The limit. 7.2 Electromagnetic compatibility The electromagnetic compatibility requirements are as follows. a) The electromagnetic interference caused by the operation of electric energy substitution equipment to the environment should meet the requirements of GB 4824; b) Electric energy substitution equipment should have a certain degree of electromagnetic compatibility immunity according to the actual situation, and meet the corresponding level of the standards listed in Table 3. EMC immunity requirements. Table 3 Electromagnetic compatibility immunity test standard Standard of immunity parameter 1 Electrostatic discharge GB/T 17626.2 2 Radio frequency electromagnetic field radiation GB/T 17626.3 3 Electrical fast transient pulse group GB/T 17626.4 4 Surge (impact) GB/T 17626.5 5 Voltage dips, short interruptions and voltage changes GB/T 17626.11 7.3 Electrical safety The electrical safety requirements are as follows. a) Electric energy substitute equipment should have reliable electrical insulation performance, between live circuits and live circuits in equipment with voltage levels of 1kV and below The insulation resistance between the road and the ground should generally be no less than 1MΩ, and the insulation resistance to the ground of the equipment with a voltage level of 1kV＜U≤35kV is general Should not be less than U MΩ; b) The electrical safety performance of electric energy substitute equipment should meet the requirements of GB 5226.1; c) There should be a reliable electrical connection between the metal shell of the electric energy substitution equipment or the metal parts that may be charged and the grounding terminal, and the The grounding resistance and connection form of the grounding device should meet the requirements of GB 50065; d) Electric energy substitute equipment should be equipped with over-current, leakage, over-voltage, and lack of equal protection according to the connection situation. 7.4 Efficiency Electric energy substitution equipment should comply with the current national standard equipment/product efficiency regulations, and high-efficiency equipment is recommended to improve energy conversion and utilization. Use efficiency, prohibit the use of obsolete equipment specified by the state.8 Interaction function between equipment and power gridElectric energy replacement equipment should have the ability to interact with the grid system information. The function mainly includes that the device can send its own operating parameters to the grid Data, operating state parameters, operating environment parameters, and alarm information. At the same time, it can accept communication parameters and threshold setting parameters issued by the power grid. Data and control instructions, and make corresponding responses to achieve remote control, demand response and other functions.9 Communication and information security requirements9.1 Data communication 9.1.1 Communication interface The communication interface between the power grid replacement equipment and the information interaction of the grid should ado...... |
