DL/T 525-1993
Technical conditions for digital type frequency relay and automatic under-frequency load-shedding device (English Version)
- Standard No.
- DL/T 525-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Electricity
- Status
- 2015-01
- Latest
- DL/T 525-1993
- Scope
- This standard specifies the classification principles, technical requirements, test methods and inspection rules for digital frequency relays and low-frequency automatic load shedding devices. This standard applies to digital frequency relays and devices (hereinafter referred to as relays and devices) used in power grid safety and stability measures such as low-frequency automatic load shedding, over-frequency cut-off, and automatic decoupling according to frequency. Frequency relays and devices composed of single-chip microcomputers can also be used with reference.
DL/T 525-1993 history
- 1993 DL/T 525-1993 Technical conditions for digital type frequency relay and automatic under-frequency load-shedding device
