UNE-EN 60214-1:2015

1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions
   4.1 Temperature of tap-changer environment
   4.2 Temperature of motor-drive mechanism environment
   4.3 Overload conditions
5 Requirements for on-load tap-changers
   5.1 General requirements
       5.1.1 Rating
       5.1.2 Liquid filled compartments for diverter and
              selector switches
       5.1.3 Liquid-level gauges
       5.1.4 Safety requirements for protection against
              increase in pressure
       5.1.5 Limiting devices for the protection against
              transient overvoltages
       5.1.6 Change-over selector recovery voltages
       5.1.7 Coarse fine regulation leakage induction
              switching
   5.2 Type tests
       5.2.1 Temperature rise of contacts
       5.2.2 Switching tests
       5.2.3 Short-circuit current test
       5.2.4 Transition impedance test
       5.2.5 Mechanical tests
       5.2.6 Dielectric test
       5.2.7 Type-test certificate
   5.3 Routine tests
       5.3.1 Mechanical tests
       5.3.2 Sequence tests
       5.3.3 Auxiliary circuits insulation test
       5.3.4 Pressure and vacuum tests
   5.4 Special tests
       5.4.1 General
       5.4.2 Dielectric discharge tests
6 Requirements for motor drive mechanisms for on-load
   tap-changers
   6.1 General requirements
       6.1.1 Compliance of component parts
       6.1.2 Permissible variation of auxiliary supply
       6.1.3 Step-by-step control
       6.1.4 Tap position indicator
       6.1.5 Tap-change in progress indication
       6.1.6 Limiting devices
       6.1.7 Parallel control devices
       6.1.8 Direction of rotation protection
       6.1.9 Overcurrent blocking device
       6.1.10 Restarting device
       6.1.11 Operation counter
       6.1.12 Manual operation of the motor-drive mechanism
       6.1.13 Motor-drive cubicle
       6.1.14 Protective device against running-through
       6.1.15 Protection against access to hazardous parts
   6.2 Type tests
       6.2.1 Mechanical load test
       6.2.2 Overrun test
       6.2.3 Degree of protection of motor-drive cubicle
   6.3 Routine tests
       6.3.1 Mechanical tests
       6.3.2 Auxiliary circuits insulation test
7 Requirements for off-circuit tap-changers
   7.1 General requirements
       7.1.1 Rated characteristics
       7.1.2 Types
       7.1.3 Handles and drives
       7.1.4 Glands
       7.1.5 Interlocks
       7.1.6 Mechanical end stops
   7.2 Type tests
       7.2.1 General
       7.2.2 Temperature rise of contacts
       7.2.3 Short-circuit current test
       7.2.4 Mechanical tests
       7.2.5 Dielectric tests
       7.2.6 Type test certificate
   7.3 Routine tests
       7.3.1 Mechanical tests
       7.3.2 Pressure and vacuum tests
8 Requirements for motor drive mechanisms for off-circuit
   tap-changers
   8.1 General requirements
       8.1.1 Compliance of component parts
       8.1.2 Permissible variation of auxiliary supply
       8.1.3 Tap position indicator
       8.1.4 Limiting devices
       8.1.5 Operation counter
       8.1.6 Manual operation of the motor-drive mechanism
       8.1.7 Motor-drive cubicle
       8.1.8 Protection against access to hazardous parts
   8.2 Type tests
       8.2.1 Mechanical load test
       8.2.2 Overrun test
       8.2.3 Degree of protection of motor-drive cubicle
   8.3 Routine tests
       8.3.1 Mechanical tests
       8.3.2 Auxiliary circuits insulation test
9 Nameplate
   9.1 Tap-changers (on-load and off-circuit)
   9.2 Motor-drive mechanisms
10 Off-circuit tap-changer warning label
11 Manufacturers operating instructions
Annex A (normative) Supplementary information on switching duty
        relating to resistor type tap-changers
Annex B (normative) Supplementary information on switching duty
        relating to reactor type tap-changers
Annex C (normative) Method for determining the equivalent temperature
        of the transition resistor using power pulse current
Annex D (informative) Simulated circuits for service duty
        and breaking capacity tests
Annex ZA (normative) Normative references to international
         publications with their corresponding
         European publications

Applies to on-load tap-changers of both resistor and reactor types, off-circuit tap-changers, and their motor drive mechanisms.