Skip to main content
Speclore

変圧器選定と効率

Transformer kva 選定, losses, 効率, と tap changer basics.

transformerbasics

Overview

Engineering reference data for Transformer Sizing and Efficiency in electrical engineering.

Key Formulas

Ohm's Law

V=IRV = IR

Voltage = Current × Resistance.

Power

P=VI=I2R=V2/RP = VI = I^2R = V^2/R

Electrical power.

Energy

E=PtE = Pt

Energy = Power × Time.

Variables

Symbol Description Unit
VV Voltage V
II Current A
RR Resistance Ω
PP Power W

References