Comparing Power Consumption and Connection Capacity of 230V vs 400V Induction Hobs

Hello

Soon I am picking up my flat in a new building, so I will not have gas and I am doomed to have a hob. I know the advantages of induction, I am after reading a few forums. However, I have a more practical question:
1) Let's assume the average use of the induction hob for about 1 hour a day in the amount of 1, occasionally 2 fields. It cooks rather between little and medium. I do not make any mortars, I do not cook anything like jumble that would cook for a long time, so use it only to make something to eat on a regular basis. When it comes to induction plates, we have a choice depending on the connection method, such as 230 V and 400 V. How does the type of connection affect the amount of power consumption? Which connection method is cheaper to use? Please explain it to me quite simply. I note that in the field of electricity, I am rather green - just not my field.
2) What is this connection capacity all about? Some boards are rated 5.3 kW, others 6.4 kW, others 7.2 kW. Which is better? Which disc is more economical.


Kisses
ve.lo

1. The 400V hob requires a three-phase installation. An additional energy meter and connection will be required.
2. In order to select the appropriate hob power, you should know the value of the apartment's main security.

1. The electricity consumption depends on the operating time of the oven and not on the supply voltage. The current consumption depends on the supply voltage, and hence the need to select the appropriate equipment and make the electrical installation - 1 phase = 230V power supply = high current = greater cross-section of the wires, 3 phases = 400V power supply = lower current = smaller cross-section of the wires, etc.
2. The power of the hob has nothing to do with the quality of the cooker, it immediately influences the speed of cooking food and the amount of electricity billed.
3. Depending on what type of power supply you have in your apartment - 1-phase or 3-phase and what is the protection in front of the meter - you should choose the power of the plate. When supplying 3 phases, the power of the plate may be higher due to the higher supply voltage = lower current flowing in the circuit - here plates from 6.4 - 7.2 kW are selected. When supplying 1-phase, the power of the plate must be lower due to the lower supply voltage = higher current flowing in the circuit - 5 kW and smaller plates are selected here.

I do not have such precise data in the contract. I only know that I will have a 3-phase installation prepared for hobs - this is stated in the contract. I am picking up a new flat and I also assume that when it comes to security, everything will be prepared so that it is ok. Hence my question: what will be more profitable for my pocket when it comes to future electricity bills. I can spend up to PLN 3,000 on the purchase of an induction hob.

Hello, I will connect to the topic, is there a difference in power consumption if I have a stove connected to 230V or 400V (power), I mean smaller bills, best regards

Moderated By mrhari:

Please read the posts above.

you write about the operating costs of 400 / 230v plates
and this begs my question, how am I supposed to understand it?
let's assume that the hob has 4 heating zones, are each of these fields powered by 230v and the division into individual phases is only so as not to overload one phase in my installation?
does any of the fields work at 400v?
for professionals the question will be funny, for others it will explain a lot
greetings

The boards are powered by 230V. We can connect them 1x 230V or 2x 230V from different phases.
There is no point in discussing smaller bills.
You pay for your energy consumption.

you can't cheat physics
but it is certain but, using one phase and loading it, e.g. 5kw, there may be a voltage drop in my installation, and this will extend the time (e.g. 5 liter of water to boil) and I do not know how it will be seen by the energy meter

janek4501 wrote:

Hello, I will connect to the topic, is there a difference in power consumption if I have a stove connected to 230V or 400V (power), I mean smaller bills, best regards

If you have two cookers with a capacity of, say, 5000W - one for 230 and the other for 400, then ... the power is still the same, so the bills are the same.
Do not be influenced by the voltage - to heat 1 liter of water you need some power - it does not depend on the voltage.
And please, other colleagues, do not cite the example with the 1W heater and the second 1000W heater, because we can, going further, come to the conclusion that the best would be 1MW ...