Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with power
Search options not deleted
user 193601
Electric power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt (one joule per second). Use this tag where power is a primary concern for the design under discussion. Use the "low-power" tag when that applies.
0
votes
calculating the total power needed by factory
I do not know why your power calculations (sheet 3) shows 1250 in the kW column. … Always sum P's (Real Power) and Q's (Reactive Power) to create a final power triangle to calculate S (Complex Power) total. …
- 267
1
vote
Will a 3HP motor ever use less electricity (power) than a 1.5HP
Also real power does the mechanical work. … It’s possible that you could be asking about using less reactive power. Reactive power does not do work. …
- 267
0
votes
Would an AC induction motor rotate if the power factor were unity?
You should research the advantages of power factor correction in a system to understand why. … Now your other questions, why is power factor set to .8 or .9, once again the devices in the system whether they are inductive or capacitive loads will determine the power factor of the system. …
- 267
0
votes
Can we draw analogy between em power flow through free space and ac power flow through a tra...
axis) and that of changing magnetic field inside
the inductance (say Y axis), we find the poynting vector directing
outward of the plane of transmission line (Z axis)-- which seems
weird, since power …
- 267
1
vote
How to measure True Power (Not Apparent Power) consumption in Alternating Current using ESP8...
Apparent Power² = Real Power² + Reactive Power²
(Apparent Power = Sq. … Root of Real Power² + Reactive Power²)
Complex Power = Real Power + Reactive Power
(S∠θ = P∠θ + jQ∠θ)
Power Factor for the calculation of True Power
The power factor can be calculated by the taking …
- 267
1
vote
Can anyone please help me with this ETAP Project?
Error 101-01: [Bus 2] Bus base kV is out of 40% range from bus nominal kV. Error 722: [XFMR 1] 2W transformer secondary kV is out of 40% range from bus nominal kV.
Whenever you get this error, yo …
- 267
2
votes
Accepted
Transmission Line Inductance
The transmission line will move maximum Real Power (P = I^2 * R) across the line when the power angle is greatest, meaning Vr and Vs are 90 degrees out of phase. … We will simply choose to describe the power flow as negative reactive power, since power would flow into Vs, contrary to its name V(sending). …
- 267
1
vote
Accepted
Edge betweenness centralities for distribution grids
This is not ideal in power systems because we want to shut off the least amount of transmission lines as possible to isolate an issue. … Shutting off the "hub" in this image would remove all power to every connected loop. …
- 267