tran - tune
- transducer
- transductor
- transfer busbar
- transfer function
- transfer locus
- transfer protection of a circuit to the coupler breaker
- transfer tripping
- transfers bars
- transformation of electricity
- transformer bank
- transformer circuit-breaker
- transformer protection
- transformer ratio
- transformer substation
- transformer tank earth fault protection
- transformer tap
- transformer winding
- transformer with off-load tap changing
- transformer with on- load tap changing
- transformer with regulation in phase
- transformer with regulation in quadrature
- transforming station
- transient analysis
- transient fault
