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The power consumption of the washing machine is determined by the class, it implies information on the amount of electrical energy consumed during one cycle of the procedure in case of maximum load.

Subtypes of machine energy consumption

Based on the specified information, they are guided, estimating the efficiency of the unit. It is possible to obtain information by subtracting the corresponding marking located on the body of the unit. Invented by Europe 7 levels of energy consumption, denoted by labeling in Latin letters: A; V; WITH; D; E; F; G. A plus is added to aggregates that exceed the skill limits of the standard.

Units A are extremely economical, equipment of subspecies A requires 0.17 - 0.19 kWh.
The consumption of a class B washing machine varies between 0.19 and 0.23 kWh.
Devices of the type C 0.23 - 0.27 kWh spend a little more resources.
Household appliances of subspecies D belong to the economical category, the level of "fence" varies between 0.27 - 0.31 kWh.
Devices demonstrating E-F indicators are characterized by increased demands, the consumption level is 0.31–0.35 kWh, 0.35–0.39 kWh, respectively.
Let's call class G devices uneconomical, they are able to "take" more than 0.39 kWh, an extremely large amount, unjustifiably.
The antipode, the complete opposite, is the technique of category A +. "Occupies" less than 0.17 kWh, ensuring the competitiveness of products.

How much a washing machine consumes is determined by laboratory research, and the appropriate level is assigned to the technique.

"P" value

Power, which determines the rate of energy consumption, plays a key role. Washing machines show performance in the range of 2–4 kW. High figures are due to the need to heat water, they have special requirements for connecting equipment. It is associated with restrictions regarding the current passed by the wires. The power of the washing machine is 2.2 kW, the current consumption is 10 A. The throughput of copper wires is 14 A / mm 2, the parameter for aluminum wiring is 10 A / mm 2. The device, which consumes 2.2 kW, is connected, having previously calculated the cross section of the cores.

If the P of the technique exceeds the cable's capacity, you will need to convert the figure to amperes using the formula: N (kW) × 4.35 \u003d A. Empirically it looks like this: 4 kW × 4.35 \u003d 17.5 A. Divide the result by the number of square millimeters, above. Compare relevant information. We conclude: connecting a machine with power

It is carried out using an aluminum wire with a core cross section of 2 mm 2 or a copper wire with a cross section of 1.5 mm 2.

Ratio of maximum power and energy

Now consider the ratio of the maximum required power to the energy costs of the cycle. The largest

The unit ranges from 2.15–2.3 kW. At the maximum setting of the physical value, the consumption is 0.94-0.95 kWh. The indicators of devices of classes B, C are identical. The power consumed by the washing machine rarely exceeds 2.2 kW, allowing you to count on resource consumption of 0.9 kWh. Cardinal differences are felt in the case of equipment belonging to subspecies D in this case, the “max” power level can also be 2.2 kW. The consumption reaches 5.2 kWh, which is extremely high.

Calculation of electricity consumption based on the power of the device

What do the installations mean for the average consumer in terms of the number of kilowatts needed during the month. The following simple scheme will help to simplify the understanding of the issue: 1000 Wh \u003d 1 kWh. In other words, the device has the largest

4000 W, for 1 hour of work will consume 4 kWh of electrical energy. Measurements of the required amount

One cycle conditional. The consumer is informed how much energy the device will consume, operating for an hour, heating water to a temperature of 60°C.

Therefore, the power consumption of a washing machine is determined by additional factors:

fabric type;
water temperature;
number of turns;
drum load.

If it is indicated on the unit: “takes” 0.94 kWh, this is how much the device will use during an hour of operation at a water temperature of 60 ° C, fully loaded with cotton fabrics. If the procedure is carried out at a temperature of 30 ° C, other things being equal, 0.47 kWh is spent.

Conclusion

The energy consumption of the washing machine is directly determined by the maximum power, the actual electricity costs are determined by the operating conditions of the equipment. Information concerning limit value

Consumption under standard conditions (cotton fabric; t=60°C), marked with a special sticker. Based on the information provided, the consumer will choose the optimal mode of operation that meets the requirements regarding the quality of the procedure, the need for electrical energy. Proper use of information will save money on the maintenance of the machine, help optimize the family budget. Focusing on the numbers of the sticker, making the right choice, acquiring an acceptable technique for washing clothes.

When choosing a washing machine, the volume of the tank and the dimensions of the appliance are taken into account. But do not forget about the amount of electricity consumed. If you choose the right power of the washing machine, you can get a high quality wash with minimal electricity consumption.

The energy consumption depends on the rated power of the appliance. To find out the power of the washing machine in watts, look at the sticker on the back of the washing machine. According to the level of power consumption, there are models of several classes. The first letter before the numbers with power will indicate which class the device belongs to according to the principle of economical consumption of electricity.

Given the class of the washer, you can determine its approximate power. Class A is considered the most economical. The more pluses next to it, the less energy it consumes. Class G consumes the most electricity. Classes are assigned to devices based on the results of studies in the consumption of kilowatts per kilogram at a temperature of 60 °<.

Consumption according to classes

Class A consumes 0.15 to 0.19 kW per hour for washing 1 kg of dry laundry.
Class B consumes from 0.19 to 0.23 kW per 1 kg.
Type C consumes from 0.23 to 0.27 kW.
Type G consumes from 0.27 to 0.31 kW per 1 kg.

Devices with a dryer for things are allocated as a separate class.

Parameters affecting power

To find out how much electricity a washing machine consumes per hour, add up the energy consumption of all its components.

The electric motor rotates the drum. During a simple wash, the consumption is reduced, while in the drying mode it is increased. On average, the engine consumes 0.4–0.8 kW. Motors are commutator, direct drive and asynchronous.
The heating element heats the water and makes the spin automatic. It is turned off in the cold rinse mode, but it works at maximum during the heating of the water and during the spin cycle. The more powerful the heating element, the less time it will take to heat the water. Heating element indicators: from 1.7 to 2.9 kW.
The pump pumps out water according to the set program. It requires 25 to 40 watts depending on the model.
Electronic control consumes up to 10 watts, mechanical takes no more than 5 watts. The control system includes starting capacitors, an electronic module, light bulbs, a programmer and other small radio elements.

By adding the indicators of all components, you can find out the number of kilowatts consumed.

What affects the energy consumption during washing

The automatic machine has additional programs and functions that affect energy consumption.

washing mode. Washing parameters are provided for each mode. The temperature of water heating, the duration of the process, the intensity of rotation of the drum during the spin cycle are set. A device with more power will heat the water faster and wring out clothes better. A device with a low consumption rate does the same job longer and lasts less.
Types of fabric. Different fabrics have different dry and wet weights.
Laundry weight. The energy consumed directly depends on the degree of loading of the tank. The more laundry is loaded, the more electricity the device will need.
Operating mode. The more often the device works, the more current it consumes. Over time, plaque accumulates on the heating elements, due to which the water heats up longer and costs increase.
Additional functions. Modern automatic machines do not cease to be supplemented with features that additionally consume energy.

To choose the most energy-efficient mode, pay attention to all these factors. The cross section of the cable with which it is connected to the network depends on the power of the machine. For example, with an indicator of 2.2 kW, the current will be 10 amperes.

How many kW per hour do different models consume?

Electricity prices are constantly rising, so customers are increasingly buying machines with high energy efficiency. Consider several models of washing machines of different capacities with the most economical consumption.

The LG F12B9LD model is made using direct drive electric motor technology. Class type A+, consumption is 1.02 kWh.
Bosch WAY28790EU premium device. Belongs to the type of optimal savings A +++, consumes 1.31 kW per hour.
Washing machine HOTPOINT ARISTON AQ114D697DEU/B. There is a function of automatic consumption optimization, classified as type A +++. Consumes 1.138 kWh
Narrow front loading device INDESIT XWSA610517WUA. 16 washing programs, the tank is designed for 6 kg of laundry, class A +. Consumes 1.006 kWh.
Washer model LG F80C3LD. Front loading, spin quality class G, while winding only 0.75 kW in > 1 kg per hour. Consumption type A++.
Washer Bosch WVH228360OE. Front loading type, has a drying function, the tank holds 7 kg of clothes, energy consumption class, consumption 5.67 kWh / kg, spin type B.

How to save electricity

Despite the characteristics of the washing machine and its power consumption in kW declared in the passport, you can reduce costs:

Unplug the machine from the network after washing. Plugged into the outlet, it continues to use energy.
Choose the right program depending on the main factors: the amount of laundry, the type of fabric and the degree of soiling. Such a reasonable approach will save up to 30% of the electricity consumed.
Do not divide one load into several small washes. If the weight of the laundry allows, then it is better to load the laundry to the maximum value. According to the characteristics of washing devices, an incompletely loaded drum consumes 10-15% more energy.
If you have the opportunity to dry clothes outside, then it makes no sense to set the spin / dry mode to full speed. So you can save money and get fresh laundry dried in the sun.
Descale the heating element every six months. To do this, put a descaling agent in the powder compartment and turn on the "Cotton Wash" mode, choosing heating to a temperature of 60 ° C.
For a small amount of clothes, you can use the “quick wash” program: its cycle is several times shorter than usual, it consumes less water, and therefore saves energy. This program is also called the partial full or "few things" mode.

For a family of three, it is wiser to choose a small model in order to optimize energy costs. For a large wash with a large wash volume, choose a class A or B device.

When choosing a washing machine, be guided not only by the appearance, variety of functions and huge power. You can purchase a home assistant who cleans things well and saves money.

The power of washing machines can be different. To determine the exact amount of kW consumed by the washing machine, you need to read the information on the label of household appliances. Usually the manufacturer glues this sticker on the body of the machine. You can find out information about the power of the washing machine if you clarify which energy consumption class household appliances belong to.

What is electricity used for?

The electricity consumption of such household appliances as a washing machine is not constant, but a variable figure. It all depends on the specific washing mode, on the amount of laundry and, of course, on the type of material. The average power of a washing machine can reach 4 kW. Today in the world they are trying to save resources, so they are trying to use more household appliances that belong to class “A”. The power consumption of such equipment can reach 1.5 kW / h.

If you do laundry about three times a week for about 2 hours, the amount of electricity consumed can reach 36 kWh per month.

Consumption by class

Classes E, F, G were before. Modern manufacturers with such energy classes do not produce washing machines.

When conducting laboratory tests, experts use washing at temperatures reaching 60 degrees. Cotton linens are used as washable items. The washing drum is loaded to the maximum. All calculations that determine the energy efficiency class are based on this wash.

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Factors

Many different factors affect the number of kilowatts consumed by a washing machine.

Service life of household appliances. That is, the more the washing machine works, the more it accumulates formations on the heating element. Such formations significantly complicate the operation of the machine and the process of heating water, respectively increasing power consumption;
The type of clothing and fabric also greatly affects the power consumption of the washing machine. The thing is that wet fabric differs from dry in weight, respectively, requires different electricity consumption;
The workload of household appliances greatly affects the consumption of electricity. The calculation of the consumed amount of electricity is taken from the calculation of one kilogram of laundry, therefore, the more you load the drum, the more power consumption the washing machine needs;
The washing program also affects the electricity consumption. It also talks about the temperature that is necessary for washing. High temperatures will require a lot of electricity. A long washing process increases the number of kilowatts consumed.

How to determine power?

First of all, you should understand which parts of household appliances consume electricity:

Electric motor. This main element of the washing machine is responsible for creating the necessary rotations of the drum. The main types of motors that are used for the production of washing machines include a direct drive motor, an asynchronous motor, and a commutator motor. The average amount of power consumed will range from 400 to 800 watts, that is, from 0.4 kW to 0.8 kW. By the way, the normal washing mode consumes less electricity than the spinning process.
A heating element responsible for heating water to the required temperature. This part of the washer also creates a fully automated drying/washing process. The quality of washing depends on the choice of temperature. For example, when rinsing in cold water, the heating element does not turn on at all, but during washing at 90-95 degrees, the heating element works to the maximum. Each built-in heating element in the washing machine has its own installed power, which can reach 2.9 kW. Accordingly, the higher the power, the faster the water will heat up.
pump or pump. This important part of the washing machine is designed for the process of pumping out water, which can take place at various stages of washing. Pumps generally consume up to 40 watts.
The control panel, which includes radio components, various light bulbs, the necessary starting capacitors, various sensors, a special programmer and an electronic module, can consume up to 10 watts.