General specification of transformer fault oscillograph equipment for microprocessor-based generator

NEPLATNÁ vydána dne 2.9.2010

Electrical relays Part 14: Endurance test for electri-cal relay contacts--Preferred values for contact loads

NEPLATNÁ vydána dne 5.9.1993

Part 15: Endurance tests for electrical relay contacts-Specification for the characteristics of test equip-ment

NEPLATNÁ vydána dne 5.9.1993

Electrical relays. Part 3: Single input energizing quantity measuring relays with dependent or independent time

NEPLATNÁ vydána dne 2.6.1995

Electrical relays—Part 20:Protection (protective)systems

NEPLATNÁ vydána dne 24.7.1995

Electrical relays. Part 22: Electrical disturbance tests for measuring relays and protection equipment. Section three--Radiated electromagnetic field disturbance tests

NEPLATNÁ vydána dne 24.7.1995

Electrical relays—Part 22-3:Electrical disturbance tests for measuring relays and protection equipment—Radiated electromagnetic field disturbance tests

NEPLATNÁ vydána dne 8.10.2002

Measuring relays and protection equipment—Part 22-3:Electrical disturbance tests—Radiated electromagnetic field immunity

NEPLATNÁ vydána dne 10.11.2010

High purity oxygen

NEPLATNÁ vydána dne 26.8.1993

Technical code for application of fly ash concrete

NEPLATNÁ vydána dne 1.1.1990