Can a 440 volt single phase device be made to run on 220 volt single phase? Not directly. You could use a 220V - 440V transformer to boost the voltage up to 440.
Your computer does not, from a certain point of view, run on either 110V or 220V A/C power. The internal components run on DC power— fans and disk drives at +12V, the memory and processors at +3.3V, and so forth. Your computer has a power supply unit which converts the power from the mains to power that the components can use.
Figure 1. Double-primary, double-secondary wiring options. The twin 110 V primary type transformer can be configured as shown in Figure 1 (a) and (b) to work on either 220 V or 110 V wiring. Just ensure that the transformer VA rating matches or exceeds that which is replacing - and given that the original burnt out "exceeds" would be better.
It doesn’t work with 220v without a voltage converter. A few users have tried it and reported that the cooker works well, in UK, Italy, Australia and Malaysia with a proper voltage converter that is able to accommodate up to 1500 Watts. There you go - get one of those, or a new 220v Instant Pot.
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can i use 230v in 220v
