Calculate the iron loss, Electrical Engineering

Assignment Help:

Q. The efficiency of a 400-kVA, single-phase, 60-Hz transformer is 98.77% when delivering full-load current at 0.8 power factor, and 99.13%with half rated current at unity power factor. Calculate:

(a) The iron loss.

(b) The full-load copper loss.

(c) The efficiency at 3/4 load, 0.9 power factor


Related Discussions:- Calculate the iron loss

Bode plot, Hai.. i have been given a open loop transfer function to draw a...

Hai.. i have been given a open loop transfer function to draw a bode plot with a particular K value and they asked me to find the value of K for which the phase margin becomes 45d

Find the nature of the armature voltage, Q. The flux-density distribution p...

Q. The flux-density distribution produced in a two - pole synchronous generator by an acexcited field winding is B(θ, t) = B m sin ω 1 t cos θ Find the nature of the armatur

Write a brief note on mmx technology, Write a brief note on MMX technology....

Write a brief note on MMX technology. MMX (Multimedia extensions) technology adds 57 new types of instructions to the Pentium - 4 microprocessors instruction set. The MMX tech

Explain the nand gates - microprocessor, Explain the NAND Gates - Microproc...

Explain the NAND Gates - Microprocessor? The NAND GATE is a AND gate with the output inverted. Consequently the outputs of a NAND gate would be the opposites of the outputs of a A

Determine the dielectric constant of air in practically, The dielectric con...

The dielectric constant of air is practically taken as (A) more than unity.                         (B) Unity.  (C) less than unity.                           (D) Zero.

Find the required kva rating of a synchronous capacitor, An industrial plan...

An industrial plant consumes 500 kWat a lagging power factor of 0.6. (a) Find the required kVA rating of a synchronous capacitor to improve the power factor to 0.9. (b) If a

Composition of mosfet, Composition of MOSFET  In a test pattern the P...

Composition of MOSFET  In a test pattern the Photomicrograph of two metal-gate MOSFETs. Probe pads for two gates and three source or drain nodes are entitled.Generally the se

For carry flag - return instructions , For Carry Flag  RC (Return of ...

For Carry Flag  RC (Return of Carry) and RNC ( Return on no Carry) Instruction RC returns from  the subroutine  to the calling  program if carry  flag is et (CY= 1). The

Merits and demerits of fixed bias, Merits: 1.      It is very simple to...

Merits: 1.      It is very simple to shift the operating point anywhere in the active region by just changing the base resistor (R B ). 2.      A very small number of compon

Define amplification factor and drain resistance, Q. Define amplification f...

Q. Define amplification factor, drain resistance and transconductance and derive the relationship between drain resistance and trans conductance? Drain resistance It is the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd