Home |
Search |
Today's Posts |
|
Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
#1
Posted to sci.electronics.repair,alt.home.repair
|
|||
|
|||
How do we know when 120V US socket strip can handle Europe 240V?
|
#2
Posted to sci.electronics.repair,alt.home.repair
|
|||
|
|||
How do we know when 120V US socket strip can handle Europe 240V?
On Tue, 20 May 2014 07:32:03 -0700, "William Sommerwerck"
wrote: "Geoffrey S. Mendelson" wrote in message ... wrote: No, to operate the same devices on 240 as on 120 it will only be handling HALF the current. If the bar can handle the devices on 120, it will have no problem, capacity-wize, on 240 because the current will be MUCH lower. Not always true. With a linear supply it would be true, as the different transformer windings would both convert the voltage down to the same low voltage. Switching supplies are not all the same, and some just convert the incoming power to 400Hz (or higher) AC, run it through a transformer and reduce it to the outgoing voltage with a regulator. If the device is plugged into a 120 volt socket, the output voltage of the transformer is 15 volts, if it is plugged into a 240 volt socket, it would be 30 volts. The internal regulator would even it out. Current draw would be the same. I don't think that's correct. To (possibly over-) simplify things, at higher line voltages, the pulse width will be narrower, and less charge will be drawn from the filter caps. Ergo, less current will be pulled from the line. Don't confuse Phil with facts - his mind, such as it is, is already made up. |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
How do we know when 120V US socket strip can handle Europe 240V? | Home Repair | |||
How do we know when 120V US socket strip can handle Europe 240V? | Electronics Repair | |||
120V to 240V conversion | Electronics Repair | |||
240v from 120v ? | Metalworking | |||
120V light on 240V? | Home Repair |