reactive

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  1. S

    Electrician Jobs Looking for an experienced electrician to cover Electrical Reactive Maintenance in the London area

    We’re looking to recruit an electrician with background in reactive maintenance, primarily on the CIS scheme for a few months on a trial period before coming on Payroll. Excellent salary. Testing and Inspecting knowledge would be a bonus, must have a full UK Drivers License, Candidate will be...
    • SheaWorks Ltd
    • Thread
    • area cover electrical electrician electricians london experienced inspection and testing london looking maintenance niceic pat testing reactive
    • Replies: 0
    • Forum: Electricians Jobs
  2. D

    PPM's and Reactive Maintenance

    Hi there guys. I have mostly been a house basher, oh the shame. Please sit down before reading the following..... Could someone please explain to me, in depth, what "carry out PPM's and Reactive Maintenance" means. I might sound like a village idiot but I am not completely stupid, I do have my...
    • Deleted member 109422
    • Thread
    • maintenance reactive
    • Replies: 15
    • Forum: UK Electrical Forum
  3. U

    Why I get netagive value from power meter (powerlogic pm500) for the reactive and Active Power?

    i read data every minute, and some time i get negative values, can any one explain me, i'm not an electrical engineer (i'm IT developer) so please be nice with technical terms.
  4. I

    Digital dimmer modules and reactive switches

    Hi guys, I've been in the industrial and commercial side of things for donkey's years and have just come back into the domestic side so am a bit behind on recent products. i came across a flat today that had GET digital dimmer modules and reactive switches (what the f are these). can anyone...
    • ICE
    • Thread
    • digital dimmer modules reactive switch switches
    • Replies: 2
    • Forum: UK Electrical Forum
  5. S

    What if active power reach inverter limit and I want to adjust the reactive power too

    Hi everyone, I just curious when I adjust the reactive power (via power factor, etc) and at noon the PV array will generate the full power that reach the limit MVA of inverter. For example PV array at 1 MW and inverter limit at 1 MVA if I adjust the pf to 0.9 what the result can be at noon? 1...
  6. S

    Can PV inverter adjust/control the grid voltage or reactive power?

    Hello guys, I just research in grid-connected PV system and have some question about the operation of inverter. I just think that PV system can do the voltage control as of other generator but I don't know it can operate in this mode for sure. I saw the datasheet of inverter that say it can...
  7. S

    Single phase Reactive power compensation in Grid connected PV plant

    There are many type of control schemes available that could be implemented for controlling the inverter. The main problem I'm facing is in performing clark's or park's transformation of the single phase current and voltage. Any suggestions?
  8. P

    Help with apparent power, reactive power etc

    Hi, I've got 8 questions to do for my assignment, i've done 7 of them and im happy with them, i've got down to the last question and im totally stuck. this is the question. Small Machine shop, The supply to this is a TN-C-S system, 400v/230v 50hz. the measured value of prospective fault...
    • Pauly.22
    • Thread
    • aus help power reactive
    • Replies: 9
    • Forum: Australia
  9. G

    smart meter registering reactive power

    Hi there, had a look through the other threads and couldn't find no answers. So, here's the problem: Fitted 20kwp with tripower1700 back in December. Meter started turning backwards. BG installed smart meter in Jan.(EDMI MK10D) Had a look at the meter and noticed the Amps it's recording on each...
  10. T

    The Z of the prospective short circuit current,is it mostly resistive or reactive ?

    Hello, I want to calculate the prospective short circuit current at a remote distribution board & this is my dilemma. I have from the supply a prospective short circuit current of 20 KA and supply voltage of 400/230V. So if I do the following Zin = 230 /20,000 I get Zin = 0.0115 ohm...
    • tonikh
    • Thread
    • aus circuit conductor current reactive short short circuit
    • Replies: 1
    • Forum: Australia

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