CONTROLING ELECTRICAL CURRENT: TRANSFORMERS
X-RAY CIRCUIT
TRANSFORMERS
MUTUAL INDUCTION TRANSFORMERS
MUTUAL INDUCTION
TYPES OF TRANSFORMERS: AIR CORE OPEN CORE CLOSED CORE SHELL TYPE
AIR CORE TRANSFORMER
OPEN CORE TRANSFORMER
CLOSED CORE TRANSFORMER
SHELL TRANSFORMER
TRANSFORMERS STEP-UP---- V I STEP-DOWN---V I
STEP-DOWN
STEP-UP
TRANSFORMER LAW
TRANSFORMER LOSSES COPPER LOSS ( I 2 R) HYSTERESIS LOSS EDDY CURRENT LOSS
REDUCING COPPER LOSS HIGH VOLTAGE
REDUCING HEAT IN TRANSFORMER
HYSTERESIS LOSS MAGNETIC LAG MINIMIZED BY USING SILICON IRON
EDDY CURRENT LOSS
EDDY CURRENTS
AUTOTRANSFORMER SELF-INDUCTION
POLE TRANSFORMER
AUTOTRANSFORMER ( VARIAC) KVP SELECTOR
AUTOTRANSFORMER PRIMARY OF STEP-UP
AUTOTRANSFORMER (UP)
AUTOTRANSFORMER (DOWN)
3 PHASE TRANSFORMER
TRANSFORMER LAW Vs = Ns Vp Np
% EFFICIENCY OF THE TRANSFORMER %EFFICIENCY = P out. / P inp. x 100%
THE EXPERIENCE OF LIFE ITSELF IS THE REAL TEST……….FOR ANY …..PROFESSION. W.K. RONTGEN