Power and energy consumption of electric stove

Today in our country gasification is not available in all areas, and residents of these areas have to cook only on electric stoves. When buying such an apparatus for the kitchen, the following factors are important: the level of functionality and energy efficiency. After all, the electric stove in the house is the main consumer of electricity.

The impact of the power of the stove on the work and energy consumption

When buying a stove, you need to prepare for the fact that it will absorb huge volumes of electricity. The power of the electric stove is greater than that of other devices. In houses not provided with gas, only electric stoves are installed, and there are preferential measures regarding electricity. It remains only to find out the standard power of such a plate.

Types of stoves and calculating their energy consumption

The degree of energy consumption by such an apparatus is directly determined by its type. To date, two categories of plates are common:

1. Classical In it, the surface is heated due to conventional heating elements.
2. Induction. Heating here is due to the induction of vortex flows, which are formed by a high-frequency magnetic field. Its range: 20 - 100 kHz.

There are also combined versions. In them, some burners are equipped with heating elements, while others operate by the induction method.

Power Rating

A hob equipped with a pair of cast-iron heating components usually has such a parameter - 2000 watts. How much is the technique for a large family? The 4-ring version has a rating of 5000 watts. If this version has induction operation, then the parameter can reach 10400 W.

The more heating components and other functional options in the stove, the more energy is spent on it.

When choosing a technique, it should be borne in mind that the dynamics of heating the hobs affect the power of the stove.

Proportionality of power and energy consumption

A conventional four-burner unit absorbs approximately 4-8 kW / h. This is an average value, it is calculated under the condition that all burners work simultaneously. When only one is involved, the parameter is much more modest.

Proper operation of the stove allows you to achieve savings. For example, you can follow these criteria:

1. In order to prevent loss of excess heat, the burner and pan must have identical diameters.
2. It is better to use dishes with a smooth bottom. This has a positive effect on heat transfer.
3. Turn off the cast iron burners a little earlier than you remove the dishes from them. After all, they need a lot of time to cool, and the cooking process will not stop even after they are turned off.

To save as much as possible, it is necessary to have data on the power of the functional components of the plate separately. The following are their indicative indicators:

1. A burner having a diameter of less than 14.5 cm absorbs 1 kW.
2. A burner with a diameter of 18 cm consumes 1.5 kW.
3. The element, whose diameter is 20 cm, consumes 2 kW.
4. The plate lighting device accounts for 15-20 watts.
5. On a grill heater - 1.5 kW.
6. Lower heater consumes 1 kW.
7. The upper heating element is 0.8 kW.
8. The engine, mounted on a spit, eats 6 watts.

Thus, the most significant energy costs are obtained when the largest burner is operating. It should also be borne in mind that the cooking process on it is faster.

Energy categories

Each manufacturing company wants to be competitive and produce devices that consume less electricity. And stoves, like other appliances, belong to certain classes of absorption of electricity.Categories are denoted by the letters A, B, C ... G. The beginning comes from the highest designation.
Today, such variations are often found: A ++ and even A +++. This indicates that consumption parameters are superior to category A.

The category is affected by the amount of absorption of electricity when the set temperatures are reached. The largest volumes are consumed during the operation of the oven. But if this compartment is well insulated, heat loss can be reduced, and this will result in significant savings.

Network Connection Specifics

When installing the plate, it is necessary to take into account its maximum power. And here it is important to follow some rules. To install the stove, you need:

1. Power socket 32 ​​A.
2. Introductory automation at least 32 A.
3. Three-core copper cable. It should have double insulation and a minimum cross section of 4 square meters. mm
4. RCD with a minimum value of 32 A.

Contacts should not overheat. Therefore, each component of the wiring is very high quality. It strictly adheres to safety and installation instructions.
Experts argue that the absorption of electricity by such a device depends not only on its qualities, but also to a greater extent on operating conditions.

Induction Modifications

A separate position among stoves is occupied by models with induction heaters. They have serious power, and accordingly, the price. With their proper use, you can save on electricity costs. The reasons for this are as follows:

1. High heating rate.
2. Automatic shutdown of heating when dishes are removed from the burner.
3. Cookware is used that eliminates heat loss.

Induction devices operate according to innovative technology - it is not the burner itself that is heated, but the bottom of the dishes placed on it. From it the platform heats up, but up to a maximum of 60 degrees. The culinary process in this case is much faster. Heat losses are minimal, and a glass-ceramic surface does not give off heat to indoor air.
As already noted, with proper operation, the induction modification can become very economical. But in general, it consumes large amounts of energy.

And if she has four rings, the costs are about 7 kilowatts of electricity. But this is a waste only with all the burners turned on at the same time, and only if they work at maximum.
A similar phenomenon occurs very rarely. Usually this need arises when you need to quickly cook very large amounts of food.

Usually, users do not bring the burner to the maximum; values ​​from 6 to 8 are quite enough. And for simple heating, 3-5 is enough. For this reason, spending electricity is much more modest.
Another induction apparatus heats water and food twice as fast, by analogy with the usual model. The faster the heating, the greater the savings.

The burner indicators are as follows:

Two have a diameter of 16 cm. Each consumes 1,500 watts.
The diameter of the middle burner is 18 cm. It absorbs 2000 watts per month.
The diameter of the large burner is 3 cm larger than the average parameter. She also eats 2000 watts. In total, 7 kW is obtained.

Usually, users have a couple of small burners. Before you design the electrical system and make the connection in your home, consider the maximum electricity consumption of the induction apparatus.

Such plates are very popular today. Many people like their technology and benefits. However, there are skeptics. They are guided by the following prejudices:

1. Serious damage to health from the magnetic field. According to the study, the field voltage of the plate is 90 times lower than the parameter of an ordinary hairdryer.
2. Induction modification requires the purchase of special dishes for a lot of money. In practice, this is not so. And many already obsolete pots covered with enamel and made of aluminum have ferromagnetic qualities, which only positively affects the process of induction and energy saving. As a test, you can just substitute the magnet to the bottom of the tank. If he stuck, then it is good.
3. On the surface of glass-ceramic all metal objects are heated. In reality, there are a number of technologies that defend against this. Here the main principle is this: without utensils there is no induction.

Summary

Thus, when you intend to purchase a stove that runs on electricity, you need to analyze the induction and classic models well. The first today in terms of functionality and economy are considered the best. And they are gaining more and more popularity.