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GB/T 18802.1-2011 Low-voltage surge protective devices―Part 1:Surge protective devices connected to low-voltage power distribution systems―Requirements and tests 810.0 via email in 1~8 business day valid
GB/T 17467-2010 High-voltage/low-voltage prefabricated substation 810.0 via email in 1~8 business day valid
JB/T 10840-2008 High-voltage alternating-current metal-enclosed power cable branching switchgear for rated voltages above 3.6kv and up to and including 40.5kv 360.0 via email in 1~3 business day valid
GB/T 24833-2009 Technical specification for 1 000 kV substation automation system 300.0 via email in 1~3 business day valid
GB/T 28814-2012 The guide for composition of the ±800kV converter station operating code 200.0 via email in 1~3 business day valid
GB/T 14598.7-1995 Electrical relays-Part 3: Single input energizing quantity measuring relays with dependent or independent time 85.0 via email in 1~3 business day valid
GB/T 18802.21-2004 Low-voltage surge protective devices - Part 21:Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods 240.0 via email in 1~3 business day superseded
DL/T 1101-2009 ~ 300.0 via email in 1~3 business day valid
GB 18269-2000 Insulating hand tools for live working up to 1 000 V a. c. and 1 500 V d. c. 910.0 via email in business day abolished
GB/T 18802.22-2008 Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles 670.0 via email in 1~3 business day valid
GB/T 18802.311-2007 Components for low-voltage surge protective—Part 311:Specification for gas discharge tubes(GDT) 260.0 via email in 1~3 business day valid
GB 2314-1997 Ceneral technical requirements for electric power fittings 75.0 via email in 1~3 business day abolished
GB/T 18802.12-2014 Low-voltage surge protective devices―Part 12:Surge protective devices connected tolow-voltage power distribution systems―Selection and application principles 1510.0 via email in 1~10 business day valid
JB/T 10695-2007 Low-voltage reactive power dynamic compensation equipments 165.0 via email in 1~3 business day valid
JB/T 10618-2006 Surge protective device assembly 360.0 via email in 1~3 business day valid
GB/T 18802.21-2016 Low-voltage surge protective devices―Part 21: Surge protective devices connected to telecommunications and signaling networks―Performance requirements and testing methods 890.0 via email in 1~8 business day valid
GB 18802.1-2011 Low-voltage surge protective devices—Part 1:Surge protective devices connected to low-voltage power distribution systems—Requirements and tests 870.0 via email in 1~3 business day valid
GB/T 16896.2-2010 Digital recorders for measurements in high-voltage impulse tests—Part 2:Software requirement 570.0 via email in 1~3 business day abolished
DL/T 969-2005 Guideline of substation Operation 450.0 via email in 1~3 business day valid
GB/Z 24841-2009 Technical specification for capacitor voltage transformers of 1 000 kV AC system 240.0 via email in 1~3 business day valid
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