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DL/T 574-2021 in English
Guide for the operation and maintenance of tap-chargers in the power transformer
VALID
Issued on:2021-04-26 | Implemented on:2021-10-26
$2,280.00 $2,212.00 -
NB/T 10539-2021 in English
Mining flameproof converter substation
VALID
Issued on:2021-01-07 | Implemented on:2021-07-01
$280.00 $272.00 -
GB/T 19212.24-2020 in English
VALID
Issued on:2020-12-14 | Implemented on:2021-07-01
$310.00 $301.00 -
GB/T 19212.11-2020 in English
VALID
Issued on:2020-12-14 | Implemented on:2021-07-01
$270.00 $262.00 -
GB/T 23755-2020 in English
Three-phase site-combined power transformer
VALID
Issued on:2020-11-19 | Implemented on:2021-06-01
$310.00 $301.00 -
GB/T 23753-2020 in English
Technical parameters and requirements for 110 kV and above oil-immersed shunt reactors
VALID
Issued on:2020-11-19 | Implemented on:2021-06-01
$690.00 $670.00 -
GB/T 20840.103-2020 in English
Instrument transformers—Part 103：The use of instrument transformers for power quality measurement
VALID
Issued on:2020-03-31 | Implemented on:2020-10-01
$1,300.00 $1,261.00 -
GB/T 20840.102-2020 in English
VALID
Issued on:2020-03-31 | Implemented on:2020-10-01
$690.00 $670.00 -
GB/T 1094.15-2020 in English
Power transformers—Part 15：Gas-filled power transformers
VALID
Issued on:2020-03-31 | Implemented on:2020-10-01
$370.00 $359.00 -
GB/T 10230.1-2019 in English
Tap-changers—Part 1：Performance requirements and test methods
VALID
Issued on:2019-12-31 | Implemented on:2020-07-01
$1,200.00 $1,164.00
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