i asked a funny question in Electrical
ohms law V=IR
in const temp voltage is directly proportional to current
Power p=VI cos@
in that formula Voltage is indirectly proportional to
current
Try to give me the fact what is happening in Electrical..
contact Thanigai_1984@yahoo.co.in
Answers were Sorted based on User's Feedback
Answer / thanigai1984
MR prakash....
in constant temp only resistance is constant
and voltage and current and power factor are constant means
on that time only power is constant... try to give brief
answer
Is This Answer Correct ? | 2 Yes | 2 No |
Answer / k.prakashchandra
There is nothing funny.Both are correct.In the ohm's law R
is constant.In the other p and cos @ are constant.
Is This Answer Correct ? | 3 Yes | 7 No |
which relay is used on long transmission lines
10 Answers ABB, Bhel, Student, Tata Steel Limited,
What is the multiplying factor if line ct ratio is 1000/1 and meter ct ratio is -/5 ?
I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.
what is the working principle of dc motor & its application ?
In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?
why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)
in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.
On load tap changer (OLTC) explode? Transformer Vector group: Ynd11 Rated Power: 353MVA Rated Current: 693A Voltage:294/20KV OLTC Type: T III Y1000 110/c 12193w Max Operation Current: 295A Step Voltage: 550V Arrangement in Tx windings: Y Connection Problem: Damage of Unit 1 Generator Transformer On Load Tap Changer (OLTC) Description of Incident: 9.00 a.m. :- Generator No Load test on excitation system started 10.30 a.m :- Carried out AVR change over test 11.30 a.m :- Preparation for Generator Manual Synchronizing test 12.00 a.m :- Manual Synshronizing test started. Observed incoming generator voltage higher than running voltage. CECR operator operated Generator Transformer OLTC to bring down the incoming generator voltage 12.03 a.m :-Generator Transformer abnormal alarm operated at Gen.Control Desk (CECR) CECR operater at Generator transformer bay informed that the transformer oil splashed out from OLTC. CECR operater informed that he heard explosion inside OLTC. Observed Oil level & Oil Flow alaram operated at Tranformer local annunciator. 12.05 am :- CECR operator 'Open Gen Field Breaker” 12.10 a.m. :- Elec1 team inspected the OLTC and found the OLTC rupture disk was broken and oil spilled at OLTC area. - Elec1 found the OLTC top cover bulging. Do anyone know why and possibility cause happen in this OLTC.
Can a 50-Hz designed transformer be used at 60-Hz system? Is the same remains true, when a 60-Hz designed transformer be used at 50-Hz system? Consider only frequency variation. The voltage remains as rated value in all cases. Justify the answer.
HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?
what do you mean by 1 ton in AC`s
36 Answers Bhel, Bosch, ITC Infotech,
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?