IEVref: | 421-05-03 | ID: | |

Language: | en | Status: Standard | |

Term: | tapping factor | ||

Synonym1: | |||

Synonym2: | |||

Synonym3: | |||

Symbol: | |||

Definition: | the ratio U_{d}/ U_{N} (tapping factor) or 100 U_{d}/ U_{N} (tapping factor expressed as a percentage) where:
NOTE – The tapping factor expresses the relative value of the "effective number of turns" of the tapped winding at the relevant tapping, the basis 1 being the effective number of turns of this winding at the principal tapping. | ||

Publication date: | 1990-10 | ||

Source | |||

Replaces: | |||

Internal notes: | |||

CO remarks: | |||

TC/SC remarks: | |||

VT remarks: | |||

Domain1: | |||

Domain2: | |||

Domain3: | |||

Domain4: | |||

Domain5: |

where:

*U*_{N} is the rated voltage of the winding

*U*_{d} is the voltage which would be developed at no-load at the terminals of the winding, connected on the tapping concerned, by applying rated voltage to an untapped winding