Guidelines on design of earthing devices of substations of the voltage 6-750 kV

Norma vydána dne 3.2.2012

Low-voltage complete devices. Typical technical requirements

Norma vydána dne 8.7.2015

Operational manual for transformers

Norma vydána dne 2.3.2012

Voltage regulating devices for transformer under load. Typical technical requirements

Norma vydána dne 23.9.2016

Methodical instructions for determination of contents of oxygen and nitrogen in transformer oils by gas chromatography method

Norma vydána dne 25.6.2007

Methodical instructions on determination of contents of ionol transformer oils by gas chromatography method

Norma vydána dne 25.6.2007

Methodical instructions on determination of contents of furan derivatives in transformer oils by gas chromatography method

Norma vydána dne 25.6.2007

Methodical instructions on determination of superficial tension of transformer oils on the border with water by anchor-ring method

Norma vydána dne 2.3.2011

Methodical instructions on execution of calculations for the choice of type, parameters and places of installation of the devices of power-factor correction units in Federal grid company

Norma vydána dne 20.12.2012

Controlled shunt reactors for 110-500 kV electrical networks. Typical technical requirements

Norma vydána dne 23.1.2015