... ,ISO9001,ISO14001,CE 110kv three-phase three winding on-load-tap-changing power transformer •Main Function And Features 220kv ... one with good verticality precision, this effectively improves no-load performance and reduces noises.3) Bracing plates are used ... Main Technical Parameters for 110kv three-phase three winding on-load-tap-changing power transformer: Verified Information Production Flow 110kv ...