Hello
Need help for power transformer primary connection.
On Primary 4 pins.
Its power transformer for 110/220v
S1 110
S2 110
E1 0
E2. 0
Thank you.
Need help for power transformer primary connection.
On Primary 4 pins.
Its power transformer for 110/220v
S1 110
S2 110
E1 0
E2. 0
Thank you.
What exactly is your intention? Do you want to connect the primaries in parallel for 110 Vac operation? Then both S's and E's need to be paralleled. For 220 Vac operation, S1 needs to be connected to E2; S2 and E1 are the mains input then.
To be sure, use a mains bulb tester when you attach mains power to your newly set up transformer the first time.
Best regards!
To be sure, use a mains bulb tester when you attach mains power to your newly set up transformer the first time.
Best regards!
The red cables may be connected to S2 and E1 but that seems like they're each connected to only one end of either primary winding and that won't do anything if there is any logic to those marks.
Here's the general plan of modern versions of such a dual wound transformer explained:
It's good to know what you are actually trying to do when connecting the windings to the power source and load but the 2 primary windings you need are most likely identified by Start1 > End1 and Start2 > End2 . The Start of a winding means much the same as the black dot or "sense" of the winding which is usually shown as necessary on schematic diagrams oan on the product box or label. All you have to decide is whether you want parallel or series connected primaries according to your local AC supply voltage and taking care to maintain the correct "sense" or direction of each winding, so that the voltages add when connected in series rather than cancel to zero. This isn'r siscussed on the tutorial but its equally important to ensure this is correct. The start of each winding is nowadays identified by large dots shown on the transformer schematic diagram but this doesn't seem to be a modern standard transformer which is probably why you find these unusual markings.
Even so, quickly check that your wiring and AC voltages sum correctly in series or remain at the same voltage if wired in parallel.
Before powering anything, a multimeter will tell you what is or is not a winding and if the wiring adds correctly or not. If you manage to goof up the sense of the windings though, you may wind up with zero output and a very hot transformer so measure the results first before connecting a rectifier and load. Take care, especially around live mains voltages.
Here's the general plan of modern versions of such a dual wound transformer explained:
It's good to know what you are actually trying to do when connecting the windings to the power source and load but the 2 primary windings you need are most likely identified by Start1 > End1 and Start2 > End2 . The Start of a winding means much the same as the black dot or "sense" of the winding which is usually shown as necessary on schematic diagrams oan on the product box or label. All you have to decide is whether you want parallel or series connected primaries according to your local AC supply voltage and taking care to maintain the correct "sense" or direction of each winding, so that the voltages add when connected in series rather than cancel to zero. This isn'r siscussed on the tutorial but its equally important to ensure this is correct. The start of each winding is nowadays identified by large dots shown on the transformer schematic diagram but this doesn't seem to be a modern standard transformer which is probably why you find these unusual markings.
Even so, quickly check that your wiring and AC voltages sum correctly in series or remain at the same voltage if wired in parallel.
Before powering anything, a multimeter will tell you what is or is not a winding and if the wiring adds correctly or not. If you manage to goof up the sense of the windings though, you may wind up with zero output and a very hot transformer so measure the results first before connecting a rectifier and load. Take care, especially around live mains voltages.
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I think I can't be clearer as I was in #3. I've written literally everything there.
Best regards!
Basically, you have to join he two 110V coils in series, so the two unconnected pis - start 1 and end 2, should be joined.