Identify the power system component represented by the given symbol. O Circuit breaker O potential transformer O Lightning arrester O current transformer In AC-DC power transmission system, is used to convert the DC supply into AC supply.

Simulation of an Inverter Type Single- Phase Arc Welding Machine. By using multisim or proteus.

Voltage control method connected across the load, to supply part of VAR required is ..... O Shunt capacitor O tap changing transformer O series capacitor O booster transformer

bị (a) Discuss THREE (3) important roles of the instrument current transformer (CT) and voltage transformer (VT) in power system operation.

Discuss the significance of transformers in power systems and their role in voltage conversion and distribution.

answer: 5.19 – j2.95 A

Fill in the blanks and answer is also given Please all subparts for like either dislike is ready...

(9) The hysteresis losses in electrical machines reduced. a- By core lamination. b- By core isolation. c- By choosing another type of iron. (10) The eddy current losses in electrical machines reduced. d- By core lamination. e- By core isolation. f- By choosing another type of iron.

OR e) Explain the following protection schemes of alternators. i) Stator inter turn protection. ii) Merz price protection.

A series resistance – capacitance (R – C) circuit is connected to 230 – volt, 50 cycle AC source. The current through the resistor is 45.45 A and the power taken by the circuit is 5,000 watts. Compute the following: 1.) Power factor angle 2.) Circuit impedance 3.) Ohmic value of the resistor