| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 20990.1-2007 |
Thyristor valves for high voltage direct current(HVDC)power transmission—Part 1:Electrical testing |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 3859.2-2013 |
Semiconductor converters—General requirements and line commutated converters—Part 1-2:Application guide |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB/T 21560.3-2008 |
Low-voltage power supplies d.c. output - Part 3: Electromagnetic compatibility (EMC) |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1817-2008 |
DC Remote Feeding Power System for Telecommunication Equipment |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 12668.7301-2019 |
Adjustable speed electrical power drive systems—Part 7-301:Generic interface and use of profiles for power drive systems—Mapping of profile type 1 to network technologies |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| GB/T 30425-2013 |
Water cooling equipment for converter valves for high voltage direct current (HVDC)power transmission |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 637-2006 |
DC-DC Conversion Equiopment for Telecommunication |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 12668.3-2003 |
Adjustable speed electrical power dive systems?Part 3:EMC product STANDARD including specific test methods |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB 7228-1987 |
Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| NB/T 10297-2019 |
Technology specification of AC-DC switching power supply for electronic components derating |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1970.4-2009 |
Maintenance Requirements of Power Supply for Telecommunication Stations/Sites Part 4:Uninterruptible Power Systems |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 7260.2-2009 |
Uninterruptible power systems (UPS) - Part 2: Electromagnetic compatibility (EMC) requirements |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 35702.1-2017 |
Power losses in voltage sourced converter(VSC)valves for high-voltage direct current(HVDC)systems—Part 1:General requirements |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| CSC/T 43-2006 |
Technical specifications of UPS for energy conservation product certification |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1325-2004 |
Contactless Inductive AC Voltage stabilizer |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 10236-2006 |
Guide for compatibility and protection of interference effects between semiconductor convertors and power supply system |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB 17478-1998 |
Low-voltage power supply devices, d.c.output--Performance characteristics and safety requirements |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB 7260.2-2003 |
Uninteruptible power systems(UPS)—Part 2:Electromagnetic compatibility (EMC) requirements |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 1821-2008 |
The Requirement of Environment Conditions for Genteral Equipment Room for Communication |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 3859.2-1993 |
Semiconductor convertors Application guide |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
|
|
