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28th March 2011, 10:05 PM
Thread: Building an electrical control box
by elkangorito- Replies
- 140
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- 13,840
RC, are you saying that you 'modified' a...
RC, are you saying that you 'modified' a contactor? I'm afraid, from your description, I am confused as to what you have done.
Exactly, what did you do to this contactor? -
25th March 2011, 05:38 AM
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- 21
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Like Carba-Tec, I'd err on the side of caution. ...
Like Carba-Tec, I'd err on the side of caution.
From CARBA-TEC -
22nd March 2011, 09:07 PM
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- 4
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- 11,468
It appears as though the minimum recommended...
It appears as though the minimum recommended generator size is 6kVA. This size would allow the use of 'brushless' generators (poor voltage regulation & poor output waveform).
See the below image,... -
18th March 2011, 10:42 PM
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- 2
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If the earth leakage unit is tripping, it means...
If the earth leakage unit is tripping, it means that there is an earth fault somewhere. Since you say "Motor body felt hot, even though it had only been running for a minute or so", I reckon the...
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14th March 2011, 04:57 AM
Thread: Building an electrical control box
by elkangorito- Replies
- 140
- Views
- 13,840
Will it? Could you please suggest how many years?
Will it? Could you please suggest how many years?
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13th March 2011, 12:09 AM
Thread: Building an electrical control box
by elkangorito- Replies
- 140
- Views
- 13,840
The attached pic is a extract from...
The attached pic is a extract from http://www.mitsubishielectric.com.au/assets/IASW/MS-N_Contactor_Catalogue_December_2007.pdf
As can be seen, the S-N18 is the correct contactor for 'jogging'... -
10th March 2011, 01:32 AM
Thread: Machine earthing problem
by elkangorito- Replies
- 24
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- 2,886
Stustoys, what did you end up doing?
Stustoys, what did you end up doing?
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10th March 2011, 01:05 AM
Thread: Building an electrical control box
by elkangorito- Replies
- 140
- Views
- 13,840
I wouldn't bother with capacitors and resistors...
I wouldn't bother with capacitors and resistors but the diode across the coil terminals is ok. Just make sure the PIV is twice the supply voltage (minimum 50v).
In my approximately 10 years as a... -
7th March 2011, 03:32 AM
Thread: Powerfeed transformer wiring diagram
by elkangorito- Replies
- 47
- Views
- 13,282
The fact that you have identified the transformer...
The fact that you have identified the transformer as being 'crook' is a good thing.
With regard to the wiring of the new transformer, you MUST NOT connect any part of the 'Secondary Winding' to... -
5th March 2011, 04:36 AM
Thread: Powerfeed transformer wiring diagram
by elkangorito- Replies
- 47
- Views
- 13,282
Sorry Chris but 1.4.47 is about the installation...
Sorry Chris but 1.4.47 is about the installation & not about connected equipment
1. An electrical installation usually commences at the point of supply and finishes at a point (in wiring) but does... -
5th March 2011, 12:57 AM
Thread: Powerfeed transformer wiring diagram
by elkangorito- Replies
- 47
- Views
- 13,282
Stewart, The type of transformer is not an...
Stewart,
The type of transformer is not an issue. The connection of the transformer IS an issue.
Most places in Australia use the M.E.N. system & as such, must conform with the diagram I attached... -
3rd March 2011, 05:54 PM
Thread: Powerfeed transformer wiring diagram
by elkangorito- Replies
- 47
- Views
- 13,282
The correct way to connect this particular type...
The correct way to connect this particular type of transformer being used in the way you indicate, is seen in the following pic.
Please take note of the circuit protection (fuses) on both Primary &... -
21st August 2010, 01:20 AM
Thread: Wal-Mart, how many?
by elkangorito- Replies
- 40
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- 4,134
I hope that Walmart remains in the USA....
I hope that Walmart remains in the USA.
Australia doesn't need another 'rip-off' store (treats wage earners like ####). Unfortunately, Australia has copied much of the American 'program'. If John... -
21st August 2010, 12:18 AM
Thread: on/off switch
by elkangorito- Replies
- 22
- Views
- 3,516
"No tools or electrician required". Tools will...
"No tools or electrician required".
Tools will certainly be necessary unless it magically "plugs into" the devices you wish to connect to.
"Universal Application - works with most small... -
15th August 2010, 12:16 AM
Thread: on/off switch
by elkangorito- Replies
- 22
- Views
- 3,516
The switch needs to be rated for a minimum of 5A...
The switch needs to be rated for a minimum of 5A @ 230VAC AC23
AC23 indicates that the switch contacts are rated for an inductive load. -
18th April 2010, 06:58 AM
Thread: should we be a Nuke dumping ground
by elkangorito- Replies
- 19
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- 1,796
Nuclear Energy is the most dangerous discovery of...
Nuclear Energy is the most dangerous discovery of all time!
Not only using it is incedibly risky but the disposal of the waste is a huge proble.
As far as I know, everybody is very concerned... -
18th April 2010, 06:34 AM
Thread: Any Electricians Around Here?
by elkangorito- Replies
- 10
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- 2,486
Mini. There may be a simpler solution to your...
Mini.
There may be a simpler solution to your problem but I would require a drawing of what you propose.
Also, 'contactors' have different ratings. The contactor you need must be rated at the... -
5th October 2009, 01:31 AM
Thread: Slave/Master switch
by elkangorito- Replies
- 26
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- 10,380
If you tell me how the Thicknesser, Extractor &...
If you tell me how the Thicknesser, Extractor & Planer are to work together (ie do you use all 3 of these together or only 2 at a time?), I can provide you with a circuit diagram.
The big question... -
29th September 2009, 02:10 AM
Thread: Simple phase conversion
by elkangorito- Replies
- 14
- Views
- 2,300
My comments in blue.
My comments in blue.
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25th September 2009, 10:33 AM
Thread: mains voltae two low for desktop
by elkangorito- Replies
- 30
- Views
- 3,616
Dear oh dear oh deary me! A filament lamp's ...
Dear oh dear oh deary me!
A filament lamp's resistance increases with temperature so the V/I curve is very non-linear. Half the voltage will actually give about 65% of the current so the output... -
25th September 2009, 05:28 AM
Thread: mains voltae two low for desktop
by elkangorito- Replies
- 30
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- 3,616
westom, please give up this inane idea about the...
westom, please give up this inane idea about the lamp. Just drop it! Everything else you say is good info. You lose credibility when you rave on about pecentages of dimming. There is no person on the...
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25th September 2009, 05:19 AM
Thread: Simple phase conversion
by elkangorito- Replies
- 14
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- 2,300
Hi Gents. My comments in blue. Your 3...
Hi Gents. My comments in blue.
Your 3 phase lathe is most likely to be a typical "single voltage" induction motor. If so, it will be designed for 400v to 415v, Delta connected.
Greg, this... -
25th September 2009, 02:40 AM
Thread: mains voltae two low for desktop
by elkangorito- Replies
- 30
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- 3,616
In case people didn't know: Let's stop all...
In case people didn't know:
Let's stop all this complete & utter nonsense about the dimness of lights.
The two "Ians" are spot on with their conclusions/suggestions. :2tsup: -
24th September 2009, 12:52 PM
Thread: mains voltae two low for desktop
by elkangorito- Replies
- 30
- Views
- 3,616
All this waffle about the dimming of lights. And...
All this waffle about the dimming of lights. And sillier yet, 40% dimming. What apparatus can I use to measure this 40% dimming? I don't think my eyeballs can tell percentages when it comes to the...
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24th September 2009, 07:49 AM
Thread: mains voltae two low for desktop
by elkangorito- Replies
- 30
- Views
- 3,616
I'm glad westom has disappeared (3 posts). The...
I'm glad westom has disappeared (3 posts).
The info he posted in regard to this thread was rubbish. -
24th September 2009, 12:13 AM
Thread: Simple phase conversion
by elkangorito- Replies
- 14
- Views
- 2,300
I'm glad you weren't able to go ahead with your...
I'm glad you weren't able to go ahead with your plan. Those types of converters are very poor machines.
To those who may read this, don't be tricked into thinking that this kind of rotary... -
22nd September 2009, 11:18 AM
Thread: Is this generator big enough?
by elkangorito- Replies
- 11
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- 4,247
I wouldn't worry about inductive loads on a...
I wouldn't worry about inductive loads on a generator. It's electronic loads that they don't like (harmonics).
I've prepared an example of how to size a generator in the attachment below. If you... -
22nd August 2009, 02:29 AM
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- 3
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- 1,818
Big Shed. Just out of curiosity, what are the...
Big Shed.
Just out of curiosity, what are the details of the motor (rating plate info)? -
4th August 2009, 01:42 AM
Thread: mains voltae two low for desktop
by elkangorito- Replies
- 30
- Views
- 3,616
I wouldn't be spending any money on anything...
I wouldn't be spending any money on anything until I got a definitive word from the Supply Authority about the inadequate situation.
1] Find out exactly what quality of electricity the Supply... -
2nd August 2009, 04:30 PM
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I think the first thing you should do is carry...
I think the first thing you should do is carry out an insulation test upon the motor. Test the windings to earth, not winding to winding. Use 250 volts only.
If you can't find a centrigual switch,... -
27th July 2009, 10:57 PM
Thread: Mig Welder
by elkangorito- Replies
- 17
- Views
- 2,859
Thailand imports this stuff so no help to you...
Thailand imports this stuff so no help to you there. Sorry.:(
Good luck. -
26th July 2009, 11:49 PM
Thread: Mig Welder
by elkangorito- Replies
- 17
- Views
- 2,859
Hi Marc, The following assumes that you do not...
Hi Marc,
The following assumes that you do not have a distribution board in your shed.
You will need something like the following if you want the RCD at the outlet. These are examples only;
... -
22nd July 2009, 02:11 AM
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- 28
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Not quite correct terraaustralis. As you may...
Not quite correct terraaustralis.
As you may well know, current flow can't exist without voltage & voltage can't be present without a resistance. This applies to DC as well.
Therefore, Ohm's Law... -
21st July 2009, 02:56 AM
Thread: linux finaly
by elkangorito- Replies
- 18
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- 2,379
I'm currently stuck with "Macrohard". Years...
I'm currently stuck with "Macrohard".
Years ago, I mucked around with Linux Redhat ver 2 & a few other versions thereafter. It was fun.
I'm about to rebuild my computer & I will be dumping... -
21st July 2009, 02:41 AM
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- 48
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- 3,891
Gentlemen. To correct all of the incorrect...
Gentlemen.
To correct all of the incorrect information so far given, it is illegal for an "unqualified person" to work on any "fixed" electrical wiring or any part of any "fixed" electrical... -
21st July 2009, 02:17 AM
- Replies
- 28
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- 3,840
Soundman. A bloody good post. :2tsup: Many...
Soundman.
A bloody good post. :2tsup:
Many people have a strange idea that 240 volts is more dangerous than 120 volts. This is not true.
I've been hooked up to many voltages...up to 415v. I... -
13th July 2009, 01:27 AM
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- 34
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- 12,026
The direction of Universal "series" motors can be...
The direction of Universal "series" motors can be reversed.
You can do this by swapping the leads to the armature or the magnetic fields but not both.
The reason why you are seeing lots of... -
13th June 2009, 10:12 PM
Thread: Electrical & CFM
by elkangorito- Replies
- 11
- Views
- 2,197
Thanks Chris. I'll edit my post accordingly....
Thanks Chris. I'll edit my post accordingly. :2tsup:
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13th June 2009, 09:59 PM
Thread: Electrical & CFM
by elkangorito- Replies
- 11
- Views
- 2,197
If you use a well known & reputable brand of...
If you use a well known & reputable brand of contactor (Sprechur & Schuh, Telemechanique), different coil voltages are available in both AC & DC. 32v AC is a common coil voltage. Actually, the coils...
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13th May 2008, 03:39 AM
Thread: Another leccie question
by elkangorito- Replies
- 31
- Views
- 4,753
So far, the most important test has NOT been...
So far, the most important test has NOT been carried out, which is by far the most revealing test in this situation.
As I mentioned in the previous thread, an insulation test will reveal all.
I... -
30th April 2008, 02:03 AM
Thread: question for a leccie
by elkangorito- Replies
- 15
- Views
- 3,339
After you've experienced problems like these,...
After you've experienced problems like these, it's a good idea to perform an insulation resistance test on the motor (& the extension lead while your at it). If foreign matter inside a motor has been...
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30th April 2008, 01:51 AM
Thread: Residential RCD
by elkangorito- Replies
- 19
- Views
- 4,570
Please bear in mind that if your installation is...
Please bear in mind that if your installation is protected by BS88 HRC fuses, you will need your RCBO's rated at a minimum of 6kA. If your installation is protected by BS1361 HRC fuses, you can get...
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28th April 2008, 06:26 AM
Thread: Downlight transformers keep blowing.
by elkangorito- Replies
- 11
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- 12,739
My sister has 8 of these bloody awful Halogen...
My sister has 8 of these bloody awful Halogen downlights in her living room...all of them 50W each & 60 degree. Unfortunately, most other rooms in her house have the same downlights. One day, she...
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2nd April 2008, 11:55 PM
Thread: 12v underwater lighting
by elkangorito- Replies
- 4
- Views
- 1,712
I've been trying to send this reply for 3 days...
I've been trying to send this reply for 3 days now. Not sure why I can't except that I've just installed the latest version of Firefox, which I have been using for over 2 years.
Anyway, the only... -
23rd March 2008, 06:12 AM
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- 11
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- 8,573
The only other thing you could try is to...
The only other thing you could try is to disconnect the unit from its' power supply (circuit breaker) & leave it off for 10 minutes then turn it back on.
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22nd March 2008, 03:12 PM
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- 25
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- 11,212
Try these links. ...
Try these links.
http://www.gallagher.com.au/portable.component.aspx?mktprodid=1779
http://www.gallagher.com.au/portable.component.aspx?mktprodid=1129
... -
22nd March 2008, 03:06 PM
- Replies
- 11
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- 8,573
The only info I could find that vaguely resembles...
The only info I could find that vaguely resembles your system is at the below link;
http://www.ilecheating.com.au/entry_framesets/products_entry_frames.asp
then click on "Comfort Control Remote... -
22nd March 2008, 09:54 AM
Thread: Exhaust fan in bathroom
by elkangorito- Replies
- 9
- Views
- 4,892
I second this motion.
I second this motion.
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22nd March 2008, 09:52 AM
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- 4,738
I have to agree with you Timmo. Virtually all...
I have to agree with you Timmo.
Virtually all extension leads etc are rated at 0.6 to 1kV, therefore the correct test voltage should be 500 volts. This goes for V75/V105 PVC Building Wire as well. -
18th March 2008, 09:29 PM
Thread: 415V to 240V (15AMP)
by elkangorito- Replies
- 9
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- 3,717
If the OP already has 2 phases at the point of...
If the OP already has 2 phases at the point of his stove connection, all he would need to do is to run a single "double insulated" neutral to this same connection point. This would allow him to use...