Ask
Login
TAGGED IN

Basic Electrical Engineering

Follow this tag to get notifications whenever a new post is added

ALL TAGS
0
votes
1
answer
1.5k
views
1
answer
What is the necessary condition for resonance in series circuit. Derive expression for resonance frequency.
basic electrical engineering updated 3.5 years ago by teamques10 ★ 68k
0
votes
1
answer
886
views
1
answer
Use mesh analysis to find current through 10Ω in the ckt shown
basic electrical engineering updated 3.5 years ago by teamques10 ★ 68k
0
votes
1
answer
7.3k
views
1
answer
Draw phase diagram for lagging power factor
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
1.5k
views
1
answer
With the help of neat circuit diagram and pharos diagram explain the2-wattmeter method to measure power in a 3-phase balanced delta connected load.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
3
votes
1
answer
35k
views
1
answer
Calculate equivalent resistance as referred to primary and secondary, equivalent reactance as referred to primary and secondary, equivalent impedance as referred to primary and secondary.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
1
vote
1
answer
12k
views
1
answer
Total Copper Loss using individual resistance and equivalent resistances.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
3
votes
1
answer
9.0k
views
1
answer
determine the number of turns on high voltage winding and maximum value of flux density in the core.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
1.8k
views
1
answer
The following results are obtained on a 50 KVA; 1000/200V 50Hz transformers. OC test: 200V, 1.2 A, 90 W L.S SC test: 50 V; 5A and 110 W H.V Determine deficiency as half load at 0.8 pf lagging
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
3.5k
views
1
answer
Calculate the parameters of approximate equivalent circuit referred to H.V. side
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
2
votes
1
answer
16k
views
1
answer
What are assumptions for an ideal transformer?
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
9.4k
views
1
answer
Explain the principle of working for a single phase transformer and derive the emf equation for same.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
1
vote
1
answer
6.4k
views
1
answer
Draw the equivalent circuit of the transformer referred to LV side insert all parameters values.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
1
vote
1
answer
19k
views
1
answer
In a 50 KVA, 1100/220 V transformer, the iron and copper losses at full load are 350 W and 425 W respectively.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
6.0k
views
1
answer
A 50 KVA, 2200/440 V, 50 Hz transformer has primary turns of 200. Determine a) flux in the core b) secondary turns c) rated primary current d) rated secondary current
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
1
vote
1
answer
8.9k
views
1
answer
A 230/mov, single phase transformer takes an input of 350 VA at no load and at rated voltage. The core less is 110 W.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
5.3k
views
1
answer
State the working principle of transformer and derive expression for e.m.f induced
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
1.1k
views
1
answer
Draw the circuit for measurements of 3 phase power using two watt meters and state its advantages over other methods of 3 phase power measurements.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
2.8k
views
1
answer
Calculate the readings of the two watt meters.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
1
vote
1
answer
5.1k
views
1
answer
A 3 Phase, 10 KVA load has power factor of 0.342. The power is measured by two wattmeter method. Find reading of each wattmeter when i) Power Factor is leading ii) Power Factor is logging
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
1.6k
views
1
answer
In a balanced three phase circuit, power is measured by two watt meter readings is 2:1. Determine the power factor of the system.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
1
vote
1
answer
2.6k
views
1
answer
Calculate the line current, total power absorbed, reactive volt amperes and total volt amperes.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
1.2k
views
1
answer
Calculate total power consumed by the $3\emptyset$ load and the power factor.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
992
views
1
answer
Calculate for of the each case Phase and line currents Total power absorbed.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
1.4k
views
1
answer
Calculate the active power, power factor and line current.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
0
votes
1
answer
1.1k
views
1
answer
In a phase power measurement try two watt meter method both the watt meter read the same value. What is the power factor of the load? Justify your answer.
basic electrical engineering updated 4.6 years ago by teamques10 ★ 68k
<prev • 228 results • page 6 of 10 • next >