GB/T 36278-2018 in English
VALIDTechnical code for electric vehicle charging/battery swap infrastructure interconnecting to distribution network
- Issued on:2018-06-07
- Implemented on:2019-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$136.00
《GB/T 36278-2018电动汽车充换电设施接入配电网技术规范》由524（中国电力企业联合会）归口，主管部门为中国电力企业联合会。
Introduction
1. Scope and applicability of the standard
GB/T 36278—2018 specifies the basic principles and technical requirements for the access of electric vehicle charging and swapping facilities to the distribution network, and is applicable to electric vehicle charging and swapping facilities with a voltage level of $110~\mathrm{kV}$ and below.
2. Principles of grid access
| Voltage level | Applicable capacity range | Wiring requirements |
|---|---|---|
| 220V | Single-phase equipment, power ≤10kW | It is recommended to connect to a low-voltage public distribution box |
| 380V | Power ≤100kW | Dedicated line connected to low-voltage distribution room |
| 10kV and above | Power ≥10kW | >50kVASelect dedicated lines or ring main unit access according to capacity |
3. Equipment selection and installation requirements
Case analysis: Equipment selection for charging stations in a certain city
The electric vehicle charging and swapping station built in a large public parking lot has a total capacity of 5MVA. According to the standard requirements:
- Select 10kV voltage level power supply
- Configure two Dyn wiring method dry-type low-loss transformers
- Lay independent cable channels to avoid laying them in the same trench with thermal pipelines
4. Reactive compensation and power quality
The reactive compensation of charging and swapping facilities must meet the power factor ≥ 0.95 (10kV and above), and dynamic adjustment can be achieved by installing local reactive compensation devices. At the same time, the harmonic voltage, voltage deviation and imbalance of the public connection point must comply with the national power quality standards.
5. Implementation suggestions
- Planning stage:Strengthen coordination with urban and rural development planning, and reserve sufficient line corridors and substation/distribution station sites.
- Equipment selection:Give priority to low-loss, high-efficiency energy-saving equipment, such as dry-type transformers and intelligent circuit breakers.
- Operation and maintenance:Establish a complete power quality monitoring system and regularly check the operating status of protection devices and metering equipment.
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