Articles

18-December-2018 Asynchronous electric motors and how to choose the right electric motor at a good price in Ukraine.

Demand for electric motors AИР in Ukraine remains stably high, what makes them so popular? The answer is obvious: simplicity of design and repair, as well as low cost. Inexpensive and efficient – this is how you can characterize asynchronous motors AИР. This type of engine is used very widely in agriculture: for pumps and […]

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18-August-2019 General industrial induction motors buy from the factory

The manufacturer LLC”DNEPRORESURS”offers you to buy ELMO electric motors of the AИР series for general industrial purposes in the basic configuration with a 2-year warranty. Technical characteristics of general industrial asynchronous motors ELMO are presented in the catalog. ELMO motors operate from a mains supply with a frequency of 50 Hz, voltages of 220, 380, […]

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18-December-2019 Where to buy the general industrial asynchronous engines

Demand for electric motors АИР in Ukraine remains stably high, what makes them so popular? The answer is obvious: simplicity of design and repair, as well as low cost. Inexpensive and efficient – this is how you can characterize asynchronous motors AИР. This type of engine is used very widely in agriculture: for pumps and […]

More

General industrial electric motors of series AИР

Description

Asynchronous general industrial electric motors with a closed-loop rotor of the AИР series are designed to operate from a three-phase alternating current network with a frequency of 50 Hz and 60 Hz.

The line of this series of general industrial engines consists of 56, 63, 71, 80, 90, 100, 112, 132, 160, 180, 200, 225, 250, 280, 315 , 355, 400 and 450 standard sizes, with the number of poles 2, 4, 6, 8 and 10.
The installation and connection dimensions and technical characteristics of the engines are listed in the catalog.

Nominal values of climatic factors for engines during operation in working condition — according to GOST 15150 for products of the type of climatic design У, УХЛ, Т.

When the ambient (air) operating temperature exceeds + 40°C The rated power of the electric motors should be reduced by 5% with an increase in temperature for every 5 °C. The maximum ambient temperature during operation should not exceed 60°C.

Rated power is provided in long-term operation at a temperature of 40°С and altitude above sea level no more than 1000m. Although they remain operational at an altitude of more than 1000m to a height of 4300m above sea level, at the same time there is a decrease in engine power.

When operating at an altitude of more than 1000m to 4300m, the load on the engine should be reduced according to Table 1.

Table 1 – Permissible engine load.

Height above sea level, m 1000 1500 2000 2500 3000 3500 4000 4300
Power change factor, Кн 1 0,96 0,92 0,88 0,84 0,79 0,75 0,72

Series engines:

—АИР are produced with capacity binding to standard sizes according to DSTU IEC 60034-1:2019;

The engines are designed to operate in S1 mode.

The engines are produced in a cast–iron housing, have a degree of protection IP55 according to DSTU EN 60034-5:2015 (fan casing – IP20).

The electric motors are equipped with РТС thermistors (thermistors with a positive temperature coefficient of resistance) to protect the stator from overheating, or РТ-100 sensors can be installed to protect the stator and bearing assemblies from overheating (optional, in agreement with the customer).

The electric motors have an insulation system of heat resistance class F (temperature index 155°C). At the same time, the temperature of the stator windings exceeds the ambient temperature of engines with a service factor of 1.15 – no more than 83°C, engines with a service factor of 1.1 — no more than 90°C.  In agreement with the customer, the engines can be manufactured with a class of heat resistance Н.

The engines are manufactured in the following versions according to the installation method of DSTU EN 60034-7:2015:

– on the paws – IM1081 (В3) for engines up to 250 dimensions inclusive, IM1001 (В3) for engines from 280 dimensions inclusive;

– on legs with a flange – IM2081 (B35) for engines up to 250 dimensions inclusive, IM2001 (B35) for engines from 280 dimensions inclusive;

– without paws with a flange – IM3081 (B5) for engines up to 250 dimensions inclusive, IM3001 (B5) for engines from 280 dimensions inclusive.

A more detailed description of the installation method is indicated in the catalog.

The electric motors allow both right and left direction of rotation. The change in the direction of rotation should be carried out only from the rest state of the rotor.

The electric motors correspond to the group of operating conditions M6 — vibration loads corresponding to the degree of rigidity 10a (frequency range 1-100 Hz maximum acceleration 1 g according to GOST 17516.1-90).

In agreement with the manufacturer, electric motors powered by frequency-controlled converters can be manufactured (a questionnaire is filled in for this).

The root-mean-square value of the vibration velocity of the bearing supports does not exceed 2.8 mm/s.

EXAMPLE OF LABELING OF ASYNCHRONOUS АИР MOTORS

 АИР      160     М     2     У     2   

AИР The designation of the series with the binding of power to the installation dimensions (according to DSTU IEC 60034-1:2019);
160 Height of the rotation axis, mm;
М Installation dimension along the bed length;
2 Number of poles;
У Climatic modification;
2 Placement category.

 

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    ENERGY EFFICIENCY

    The energy efficiency of an electric motor is the ratio of mechanical output power to input electrical power.

    IE” is the international energy efficiency standard IEC60034-30, adopted in 2008, according to which there are 4 classes:

    – IE1 – Standard, with an efficiency of 72.1-94%;
    – IE2 – High, with an efficiency of 79.6-95.1%;
    – IE3 – Premium, with an efficiency of 82.5-96%;
    – IE4 – (Super Premium), efficiency – 85.7-96.7%.

    The new EU regulation 2019/1781, which came into force on 01.07.2021, on new rules for the environmental design of electric motors and variable frequency drives, requires electric motors with a power of 0.12 kW to 1000 kW to be manufactured at least at the IE2 level.

    The main advantages of energy-efficient electric motors include:

    – Increasing the efficiency of the unit up to 25%!
    – Increased service life of the electric motor and equipment dependent on it;
    – Reduced noise level at the enterprise from the motor operation;
    – Saving money on electricity, etc.

    DELIVERY ALL OVER UKRAINE AND ABROAD

    • Delivery of our products is carried out by delivery services in accordance with the deadlines.

    • Electric motors in stock. Sending in the shortest time.

    The quality system at the enterprise is certified in accordance with ISO 9001:2018

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