GB/T 35682-2017 in English
VALIDSpecification for power grid operation and control data
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
| Standard No: | GB/T 35682-2017 |
| Document status: | VALID |
| Title in English: | Specification for power grid operation and control data |
| Title in Chinese: | 电网运行与控制数据规范 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2017-12-29 |
| Implemented on: | 2018-07-01 |
| ICS Classification: | 29.020-Electrical engineering in general |
| Chinese Classification: | F21-Electric power system |
| Professional Classification: | GB-National Standard |
| Related Keywords: | power grid data classification system
grid operation control data power grid operation power transmission power system |
| Related Topics: | power grid
Data Operation Regulations Run Control Parameters Motor and wire control grid control GBT35682 GB/T 35682-2017 grid operation Power Grid Data Classification Industry Industrial computer specifications and |
《GB/T 35682-2017电网运行与控制数据规范》由TC446（全国电网运行与控制标准化技术委员会）归口，主管部门为中国电力企业联合会。
Introduction
Analysis of the core content of the standard
This standard constructs a technical system for power grid operation control data covering all aspects of power generation, power transmission and transformation, power distribution, power consumption and dispatching, and realizes standardized management of panoramic data of the power system through 6 major categories of data classification and 4 levels of transmission frequency specifications.
Comparison of key technical indicators
| Equipment type | Sampling frequency | Accuracy requirement | Typical application |
|---|---|---|---|
| Relay protection device | ≥1200Hz | Voltage/current 0.5% | Quick fault removal |
| Synchronous phasor measurement device | ≥4000Hz | Phase angle 0.2° | Dynamic process monitoring |
| Electric energy harvesting device | ≥8000Hz | Power 0.2% | Trade settlement |
Typical application scenarios
Smart substation data acquisition case
A 500kV smart station uses electronic transformers to realize independent acquisition of multi-winding data for protection (5TPE level), measurement (0.2S level) and metering (0.2S level), which are transmitted to the station control layer through the DL/T860 protocol, and the sampling value message transmission delay is ≤1ms.
New Energy Station Data Transmission Case
A wind farm is equipped with a PMU device to upload the terminal voltage phasor at 25 frames per second. The power prediction system automatically reports a 96-point power generation plan curve every day, and the data interacts with the dispatching master station in the CIM/E format.
Analysis of Standard Evolution
This standard constructs for the first time a power grid data classification system covering five links + four states (as shown in Figure 1), breaking through the limitations of traditional SCADA systems. The main technical breakthroughs include:
- Innovatively proposes millisecond- to hourly-level multi-time scale data transmission requirements
- Clearly defines the application specifications of electronic transformers in smart substations
- Establish a standardized interface for meteorological data and power generation forecasts at new energy stations
Implementation Suggestions
- Layered deployment: Process layer data is processed nearby, and the dispatch end focuses on building data aggregation and analysis capabilities
- Protocol unification: The plant and station end gives priority to the use of standard protocols such as DL/T860 and DL/T634.5104
- Safety protection: Strictly follow the safety zoning requirements of the power monitoring system, and key data must be encrypted for transmission
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