Talk:Synchronous condenser: Difference between revisions
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== Terminology == |
== Terminology == |
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From the point of view of a professional electrical engineer in the UK, terms such as "condenser" and "reactive power" seem archaic. We prefer "capacitor" and "VAr" (pronounced 'var') respectively. "Reactive power" is objected to on the grounds that there is only one form of average power in an ac system, namely that corresponding to the average rate of transfer of energy (averaged over a cycle). In the case where voltage and current are in quadrature, this average is zero, so VAr (which might not be zero) cannot be seen as a particular form of power - if indeed more than one kind were possible. "Apparent power" is rejected on similar grounds, "VA" (pronounced vee-ay") being preferred. In the case of "true power" the qualifier is pleonastic; "power" is sufficient since it has an unambiguous meaning - the average rate of energy transfer over a cycle. |
From the point of view of a professional electrical engineer in the UK, terms such as "condenser" and "reactive power" seem archaic. We prefer "capacitor" and "VAr" (pronounced 'var') respectively. "Reactive power" is objected to on the grounds that there is only one form of average power in an ac system, namely that corresponding to the average rate of transfer of energy (averaged over a cycle). In the case where voltage and current are in quadrature, this average is zero, so VAr (which might not be zero) cannot be seen as a particular form of power - if indeed more than one kind were possible. "Apparent power" is rejected on similar grounds, "VA" (pronounced vee-ay") being preferred. In the case of "true power" the qualifier is pleonastic; "power" is sufficient since it has an unambiguous meaning - the average rate of energy transfer over a cycle. The "average" concept is assumed unless "instantaneous power" (the product of the instantaneous magnitudes of V & I) is explicitly mentioned. Would anyone object if this scheme of terminology were adopted ? g4oep. |
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Revision as of 09:16, 25 April 2016
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Spam
A link to electojects.com has been repeatedly added to Stepper motor, Electric motor and Brushless DC electric motor by Special:Contributions/217.53.109.235, Special:Contributions/82.201.156.201, Special:Contributions/217.53.107.168, Special:Contributions/217.53.16.164, and others.
The link in question is registered to Abdoh Ali Mohamed, Hay Swesri, Nasr City, Cairo, Egypt.[1]
I wonder if the four IP addresses listed above have any connection... Naw, couldn't be. [2][3][4][5] Egypt is a big country. Must be a coincidence.
I'm going to start patrolling wikipedia for any links to electojects.com or redirects to it and deleting them on sight. If they come back, I'll move to blacklist the address. - Mdsummermsw (talk) 19:37, 28 December 2007 (UTC)
Images?
Hello electrical friends!
It would be great to have some sort of imagery for these related articles.
For outsiders, it is very hard to understand "what" is being talked about. (ie, is it a computer chip, is it a thing the size of a dam, does it look like the valve in a guitar amplifier, does it look like and large fridge .. etc)
Picture is worth 1000 words .. true enough!
Perhaps someone can get to it one day. Cheers — Preceding unsigned comment added by 92.148.34.51 (talk) 14:57, 8 November 2012 (UTC)
How it works
I have beefed up this section. My editing skills are rudimentary, so I would appreciate it if someone will improve the representation of the maths. My experience with contributing to Wikki has been uniformly bad, so I expect that someone will delete my contribution for some trivial bureaucratic reason. Please act with restraint if this paragraph does not please you, particularly if you do not fully understand the topic. What I have written is technically sound and will provide a real insight to someone who is interested in the topic, and has a small amount of engineering knowledge. g4oep — Preceding unsigned comment added by 82.37.54.83 (talk) 08:26, 25 April 2016 (UTC)
Terminology
From the point of view of a professional electrical engineer in the UK, terms such as "condenser" and "reactive power" seem archaic. We prefer "capacitor" and "VAr" (pronounced 'var') respectively. "Reactive power" is objected to on the grounds that there is only one form of average power in an ac system, namely that corresponding to the average rate of transfer of energy (averaged over a cycle). In the case where voltage and current are in quadrature, this average is zero, so VAr (which might not be zero) cannot be seen as a particular form of power - if indeed more than one kind were possible. "Apparent power" is rejected on similar grounds, "VA" (pronounced vee-ay") being preferred. In the case of "true power" the qualifier is pleonastic; "power" is sufficient since it has an unambiguous meaning - the average rate of energy transfer over a cycle. The "average" concept is assumed unless "instantaneous power" (the product of the instantaneous magnitudes of V & I) is explicitly mentioned. Would anyone object if this scheme of terminology were adopted ? g4oep.