GB/T 19749.4-2023
Coupling Capacitors and Capacitive Dividers Part 4: DC or AC Single-Phase Capacitive Dividers

Standard No.

GB/T 19749.4-2023

Language

Chinese

Release Date

2023

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Lastest

GB/T 19749.4-2023

Introduction

GB/T 19749.4-2023 Coupling Capacitors and Capacitive Voltage Dividers Part 4: DC or AC Single-Phase Capacitive Voltage Dividers is a standard that specifies the requirements for capacitive voltage dividers used in direct current (DC) or alternating current (AC) single-phase systems. This standard covers the design, construction, and testing of capacitive voltage dividers, which are essential components in power systems for voltage measurement and insulation coordination. Capacitive voltage dividers are used to accurately measure high voltages and provide a reduced voltage output for monitoring and control purposes. The requirements outlined in this standard include the capacitance value, voltage rating, temperature range, insulation resistance, dielectric loss, and frequency response characteristics of the capacitive voltage dividers. It also provides guidelines for the installation and maintenance of these devices to ensure their reliable and safe operation. Compliance with GB/T 19749.4-2023 ensures that capacitive voltage dividers used in DC or AC single-phase systems meet the necessary quality and performance standards. This standard is applicable to a wide range of industries, including power generation, transmission, distribution, and industrial automation. In summary, GB/T 19749.4-2023 is a comprehensive standard that sets the requirements for capacitive voltage dividers used in DC or AC single-phase systems. It ensures the accuracy, reliability, and safety of these devices, making them essential components in power systems.

GB/T 19749.4-2023 history

• 2023 GB/T 19749.4-2023 Coupling Capacitors and Capacitive Dividers Part 4: DC or AC Single-Phase Capacitive Dividers

GB/T 19749.4-2023 -All Parts