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Standard No. Title Price(USD) Delivery Status Add To Cart
GB/T 14598.149-2016 Measuring relays and protection equipment—Part 149:Functional requirements for thermal electrical relays (USD) via email in 1-5 business day VALID
ZB K 45003-1989 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 22390.6-2008E Control and protection equipment of high-voltage direct current(HVDC) transmission system-Part 6: Substation transient fault oscillograph device (USD) via email in 1-5 business day VALID
GB/T 14598.9-2002 Part 22-3:Electrical distrubance tests for measureing realys and protection equipment--Radiated electromagnetic field distrubance tests via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
SD 280-1988 (USD) via email in 1-3 business day ABOLISHED
GB/T 14598.127-2013 Measuring relays and protection equipment—Part 127:Functional requirements for over/under voltage protection (USD) via email in 1-3 business day VALID
DL/T 770-2001 General specifications for microprocessor-based transformer protection equipment (USD) via email in 1-3 business day ABOLISHED
GB/T 34121-2017 Technical specification for relay protection configuration tool in smart substation (USD) via email in 1-5 business day VALID
GB/T 14598.13-1998 Electrical disturbance tests for measuring relays and protection equipment Part 1: 1 MHz burst disturbance tests via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 3310-1996 via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 2626-1992 (USD) via email in 1-3 business day ABOLISHED
SD 276-1988 (USD) via email in 1-3 business day ABOLISHED
JB/T 56272-XXXX (USD) via email in 1-3 business day ABOLISHED
DL/T 528-1993 (USD) via email in 1-3 business day
DL/T 623-1997 Evaluation rules of protection equipment and power system stability control devices (USD) via email in 1-3 business day ABOLISHED
GB/T 34122-2017 Technical specification for configuration of relaying protection and security automatic equipment of AC 220 kV~750 kV grid (USD) via email in 1-3 business day VALID
ZB K 45021-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 37155.1-2018 Technical guidance of protection and control system on regional power grid—Part 1:Functional specification (USD) via email in 1-3 business day VALID
JB/DQ 2645-1990 (USD) via email in 1-3 business day ABOLISHED
GB/T 15145-2017 General specification for transmission line protection equipment (USD) via email in 1-3 business day VALID
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