GB/T 32897-2016 in English
VALIDGeneral specification for integrated protection and contro1 equipment in smart substation
- Issued on:2016-08-29
- Implemented on:2017-03-01
- File Format:PDF
- Delivery:Via email within 5 business days
$262.00
《GB/T 32897-2016智能变电站多功能保护测控一体化装置通用技术条件》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
Standard background and evolution
This standard was jointly drafted by 16 units including NARI Relay Protection Co., Ltd. and for the first time systematically standardized the technical system of the integrated protection, measurement and control device in smart substations. Compared with traditional discrete devices, the integrated design achieves:
| Comparison dimensions | Traditional devices | Integrated devices |
|---|---|---|
| Functional architecture | Protection/measurement and control independent equipment | Multi-function integration |
| Communication protocol | IEC 61850 and conventional hybrid | Full DL/T 860 standard |
| Sampling method | Conventional CT/PT | Support electronic transformers |
Core technical requirements
1. Environmental adaptability
The device needs to work stably in the temperature range of -10℃~+55℃ and the humidity of 5%~95%, and in special areas it can be extended to -25℃~+70℃. Electromagnetic compatibility performance includes:
- 1MHz pulse group immunity (GB/T 14598.13)
- Electrostatic discharge immunity (level 3)
- Radiated electromagnetic field immunity (10V/m)
2. Functional integration requirements
Typical application case: After the integrated device was used in the 35kV line bay of a 110kV substation, the number of cabinets was reduced by 40% and the maintenance hours were reduced by 60%.
The standard specifies that functional modules need to run independently:
- Protection function: Speed error ≤1% or 40ms
- Measurement and control function: Telemetry accuracy ±0.2%
- Merging unit: Sampling value synchronization accuracy ≤1μs
Implementation suggestions
1. Selection considerations
| Key parameters | Standard requirements | Recommended values |
|---|---|---|
| Network storm immunity | No false operation | ≥1000 frames/second |
| Timekeeping accuracy | ≤4μs within 10min | PTP protocol is selected |
2. Key points of operation and maintenance
Key points:
- Relationship between maintenance pressure plate status and GOOSE message quality bit
- Regular detection of SV sampling discrete value ≤10μs
- Electromagnetic compatibility test retest cycle (recommended 3 years)
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