generator | Page 9

generator

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  1. D

    Why, on a given turbine, a smaller generator would generate less output?

    Hello everyone, I am a mechanical engineer with litle knowledge about electrical so I need advice from people knowing about electrical system. Having a wind turbine that I am testing at the moment, I first placed a big generator (PMG 500kW 690V @ 300RPM - 18000Nm) behind it and it could...
  2. D

    25kv generator cable size ???

    can anybody tell me what size sy cable I need for a 25kv 3 phase temp generator please to power a 3 phase machine lathe
  3. lloydy304

    Generator earth electrod?

    I wire out mobile decontamination units that have a 3 kva generator. We supple earth electrodes with our units for use with the generator. Every circuit is protected by an 30ma rcd and the generators earth and neutral are conected in the generator. Because the generator is under 5 kva, rcd...
  4. Rocboni

    45kw motor and generator problem

    Hi all, Got a bit of a problem with a new generator when starting a 60hp motor. It's a 250kva generator with a 125A mounted plug, the plug is protected by a C125 A Merlin gerin c120h MCB with combined 300mA RCD, the motor starts fine but when it changes over to delta it trips the 125A mcb (I...
  5. E

    Electrician Jobs TBuild your own Tesla Generator

    Why is this site advertising Tesla generator when we all know it is a conn ?
  6. E

    Voltage regulator which regulates voltage coming our of a DC Generator

    I need a strong voltage regulator that is used to regulate the voltages coming out of a continuous DC generator. Four poles of high current currents that connect with the thermometer to output a 24 volt voltage to the load. Control by magnetic coil files controlled by an automatic voltage...
  7. L

    Standby Generator Earthing (TT or TN-S)

    Hi Everyone The utility supply for an installation is of TT system. The Generator start point is connected to the its frame and earthed to an electrode. Thus, the installation has its own earthing electrode. I would like to know whether the installation is a TT or TN-S system when the standby...
  8. P

    Mobile earthing to van plus stand alone generator

    Hi all. Newby here. What would be the best way to earth a mobile food van plus mobile generator to each other. Also if I install a commando outlet for the genny or a fixed supply, would the earthing principle be the same I.e van body earthing connected to or separate from installation?.
  9. kevyn

    Remote Start/Em Stop button for generator issue

    Hi I have been presented with an interesting problem with a generator: 3 phase diesel generator with remote start/em stop inside workshop, when generator is started with the remote button it will only run for 5 minutes maximum. Generator will run all day if switched on at generator itself. It...
  10. vxwestie

    Agricultural generator changeover

    Not sure if anyone else as come across this, but I've been asked to provide a changeover arrangement for a farm. It's 3phase 100amp but what provision will be needed for a generator connection out of the changeover? To my knowledge commando sockets only come in a max of 63amp.... it will be a...
  11. S

    Installing 60Kva generator.

    Hi Everyone, First post in a while. We are currently quoting for putting a 60Kva generator into a factory, this will be powering one machine only and will not be connected to the mains. It will only be used 3 times a week, this will free up some load from the main DNO supply. I have searched...
  12. D

    Catering trailer electrics

    My neighbour has built a catering trailer, which is mainly gas for the appliances that he intends to use, Bain Marie etc. He has asked me if he could have a couple of double sockets fitted to it and I said I would look into it for him. Section 717 would be applicable for the electrical...
  13. S

    Generator earth

    Hi all, first post for some time! Currently installing power and lighting into a small cabin. Supply will be from a permanently connected generator and using a rod for earthing purposes. Carrying out testing today and only getting 197v between live and rod. Guessing I may need another rod which...
  14. S

    Running 2 Metal Containers with a generator

    I have been asked of my club to wire up 2 cabins with power so they can have lights on during the dark mornings. There is 3 metal cabins in total one with a generator in it, one which is the main office and one for meetings. The 2 cabins that want power both have a C.u in them. So if i wire in a...
  15. B

    Off grid earthing system

    What earthing system should be used on an off grid install with a solar inverter, wind inverter, battery backup inverter and a 4.5kW floating earth generator?
  16. N

    EICR on DB fed from generator

    I'm carrying out some inspection and testing this morning. I've come across something new to me. I'm a workshop they have a 3 phase DB which is ONLY supplied from a generator. The site only had a single phase supply and therefore when they need to use 3 phase equipment they simply switch on the...
  17. K

    armature resistance formula..help!

    please help guys i'm kinda stuck on this one, any help appresicated. A dc self-exited shunt generator has a field resistance of 160Ω. the generated emf is 420v and it supplies a load of 55kw calculate the armature resistance when the generator terminal voltage is 408v. thanks in advance kiwi
  18. rolyberkin

    Alarm smoke cloak generator

    I have not got access to CCTV and alarms, anyone fitted one of these and/or know of any good trade suppliers deals to be had when buying them?
  19. L

    Temporary Power from Generator on an out building?

    Hi Guys, I've got a question which I think the answer would be "Yes its ok" but I'm just after a second opinion and think some of you folks might have had experience with this type of set up (I haven't). I've just wired a new out building which is going to be used as a sort of after school /...
  20. Mark42

    External connections to a generator on an offroad truck. What cable to use?

    I’m currently converting a Mercedes Unimog into a camper. The camper body will be supplied with 230V for charging the on-board batteries, and/or running the aircon, which is too much for 24V inverter power. I’ve chassis-mounted a 3kVA generator, made cheaply by reverse-engineering a portable...

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