Electric motor ao 62 4. AC asynchronous electric motor

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9.9.4. Multi-speed motors A2, AO2 series

The engines of the A2 and AO2 series were designed to drive mechanisms with step speed control. They were developed on the basis of IM series AOL2 1 - 3rd size and AO2 3 - 9th size in the power range from 0.43 to 45 kW. Degree of protection HELL - IP44 in accordance with GOST 17494-72. Rated operating mode - continuous S1 according to GOST 183-74. Technical data HELL series AO2 for nomi-

nal mode of operation, depending on the speed, are indicated in Table. 9.62. The ratio of the minimum torque during the start-up to the nominal when switched on at the highest speed is 1, for other speeds - 0.8.

The main overall, mounting and connecting dimensions are similar to the corresponding dimensions of the base IM.

The engines were produced in accordance with the requirements of TU 16-510.560-75.

Two speed motors

Synchronous speed 1500/3000 rpm

Synchronous speed 1000/1500 rpm

AOL 2-11-4/2	4	0,43 0,53	1400 2700	66 68	0,77 0,89	1,3 1,1	"U	7
AOL2-12-4/2	4	0,6 0,85	1400 2700	70 70	0,77 0,89	1,3 1,3	2	7
AOL 2-21-4/2	4	0,7 0,9	1400	74 70	0,76 0,9	1,3 1,1	2	7
AOL2-22-4/2	4	1 1,4	1400 2720	76	0,78 0,9	1,3 1,1	2	7
AO2-31-4/2	4	1,8	1430	77,5	0,78	1,3	->	7
(AOL2-31-4/2)	2	2,3	2830	75	0,88	1,1		/
AO2-32-4/2	4	2,3	1430	81	0,8	1,3	■at	7
(AOL2-32-4/2)	2	2,9	2830	79	0,9	1,1
AO2-41-4/2	4	3,3 4,1	1460 2830	84 80	0,83 0,9	1,3	2	7
AO2-42-4/2	4	4,7 5,5	1460 2860	86	0,86 0,92	1,3	2	7
AO2-51-4/2	4	6,1	1470 2925	87 82	0,83 0,9	1,5 1,5	2	7
AO2-52-4/2	4	8,3 10,2	1470 2925	87 84	0,84 0,91	1,5 1,5	2	7
AO2-61-4/2	4	8,5 10	1450 2890	86,5 84	0,82 0,9	1,3 1,1	2	7
AO2-62-4/2	4	11,5 14,5	1450 2890	87,5 85,5	0,83 0,9	1,3 1,1	2	7
AO2-71-4/2	4	15,5 19,5	1450 2880	85,5 83,5	0,83 0,9	1,3 1,1	2	7
AO2-81-4/2	4 2	31,0 37,5	1420 2920	91	0,88 0,94	1,3	2	7
AO2-82-4/2	4	37,5 44	1420 2920	91	0,91 0,94	1,3	2	7,5

AO2-31-6/4*	6	0,75	955	69,5	0,69	1,3		"■
(AOL2-31-6/4)*	4	1,1	1440	76,5	0,81	1,3	Z	1
AO2-32-6/4*	6	1,1	955	73	0,71	1,3		7
(AOL2-32-6/4)*	4	1,6	1440	78	0,82	1,3	Z

Continuation of the table. 9.62

Motor size	Number of poles	Shaft power, kW	Rotation frequency, rpm	Efficiency, %	coscp	m p ^nom	m max M nom	Lum
AO2-41-6/4*	6	1,6	950 1430	78 80	0,75 0,84	1,3 1,3	2	7
AO2-42-6/4*	6	2,1 3	950 1430	79 83	0,77 0,85	1,3	2	7
AO2-51-6/4*	6	3,1	975 1475	83 85	0,74 0,81	1,3	2	7
AO2-52-6/4*	6	4,2 6,3	975 1475	83 86	0,74 0,84	1,3	2	7
AO2-31-6/4**	6	0,9	955	72	0,72	1,3	about	7
(AOL2-31-6/4)**	4	0,9	1440	75,5	0,81	1,3	BUT
AO2-32-6/4**	6	1,2	955	74	0,73	1,3	G*
(AOL2-32-6/4)**	4	1,2	1440	78	0,82	1,3	1
AO2-41-6/4**	6	1,8 1,8	950 1430	79 78,5	0,73 0,86	1,3 1,3	2	7
AO2-42-6/4**	6	2,4 2,4	950 1430	80,5 80	0,74 0,87	1,3 1,3	2	7
AO2-51-6/4**	6 4	3,7 3,7	975 1475	84 84	0,75 0,82	1,3 1,3	2	7
	6	4,7	975	85	0,77	1,3		7
AO2-52-6/4**	4	47	1475	85	0,83	1,3	2

Synchronous speed 750/1500 rpm

Synchronous speed 500/1000 rpm

AO2-41-8/4	8 4	1,6	720 1420	77 80,5	0,65 0,88	1,2 1	2	7
AO2-42-8/4	8 4	2,3 3,9	720 1420	77 81,5	0,65 0,89	1,2 1	2	7
AO2-51-8/4	8 4	2,8 4,6	715 1430	79 82	0,66 0,87	1,3 1,3	2	6
AO2-52-8/4	8 4	3,8 6,3	715 1430	81	0,66 0,87	1,3 1,3	2	6
AO2-61-8/4	8 4	5,5 8,5	700 1400	80	0,76 0,91	1,2 1	2	6
AO2-62-8/4	8 4	7 10,5	700 1400	81 83	0,77 0,91	1,2 1	2	6
AO2-71-8/4	8 4	10 14,5	700 1400	85 86	0,79 0,91	1,2	2	7
AO2-72-8/4	8 4	13,5 19,5	700 1400	86 88	0,79 0,92	1,2 1	2	7
AO2-81-8/4	8 4	19	725 1450	88 88	0,79 0,93	1,2	2	7
AO2-82-8/4	8 4	24 34	725 1450	89 90	0,79 0,94	1,2 1,1	2	7
AO2-91-8/4	8 4	35 45	735 1470	89 89	0,71 0,86	1 1	2	6
AO2-92-8/4	8 4	45 60	735 1470	90 90,5	0,74 0,88	1	2	6

AO2-61-12/6	12 b	3,2 6	460 910	73 80	0,53 0,88	1.2 1D	2	5 6
AO2-62-12/6	12 6	3,8	470 920	74 84	0,53 0,88	1,2 1,1	2	5 6

Continuation of the table. 9.62

Three speed motors

Synchronous speed 1000/1500/3000 rpm

Synchronous rotation speed 750/1000/1500 rpm

Motor size	Number of poles	Shaft power, kW	Rotation frequency, rpm	Efficiency, %	cos(p	M a I.W.H0M	M max^nom	In "nom
AO2-72-12/6	12 6	7,5 14	480 950	79 86	0,56 0,88	1,2	2	7
AO2-81-12/6	12 6	10 19	490 970	83 88	0,57 0,89	1,2 1,1	2	7
AO2-82-12/6	12 6	14	490 970	84 89	0,57 0,89	1,2 1,1	2	7
AO2-91-12/6	12 6	18	485 970	82 88	0,55 0,8	0,9 0,9	1,9	5 6
AO2-92-12/6	12 6	25 45	485 970	85 90	0,56 0,82	0,9 0,9	1,8 1,9	4.5 6,5

AO2-31-6/4/2	6	0,75	955	67,5	0,7	1,3
AOL2-31-6/4/2	4	0,9	1455	71	0,78	1,3	2	7
	2	1,2	2875	69	0,9	1,1
AO2-32-6/4/2	6	1,1	955	72	0,71	1,3
AOL2-32-6/4/2	4	1,3	1455	75	0,8	1,3	2	7
	2	1,7	2875	74	0,91	1,1
AO2-41-6/4/2	6	1,7	940	77	0,77	1,3
	4	2	1440	77	0,83	1,3	2	7
	2	2,4	2800	73	0,9	1,1
AO2-42-6/4/2	6	2,1	940	78,5	0,77	1,3
	4	2,4	1440	78,5	0,85	1,3	2	7
	2	2,9	2800	75	0,92	1,1
	6	3	960	78	0,75	1,3
AO2-51-6/4/2	4	3,3	1460	81	0,85	1,3	2	7
	2	4	2910	73	0,9	1,3
	6	4	960	80	0,75	1,3
AO2-52-6/4/2	4	4,5	1460	82	0,85	1,3	2	7
	2	5,7	2910	78	0,9	1,3

AO2-61-8/6/4	8	3,8	700	77	0,73	1,2		6
	6	4,8	950	78,5	0,81	1,2	2	6
	4	6	1400	79,5	0,91	1		7
AO2-62-8/6/4	8	4,8	710	78	0,74	1,2		6
	6	5,7	950	81	0,85	1,2	2	6
	4	7,5	1430	81,5	0,91	1		7
AO2-71-8/6/4	8	7,1	730	81	0,76	1,2
	6	8,3	965	82	0,86	1	2	7
	4	10,5	1450	82,5	0,91	1,2
	8	9,2	730	82	0,76	1,2
AO2-72-8/6/4	6	10,7	965	83	0,86	1	2	7
	4	13,5	1450	83,5	0,91	1,2
	8	13	710	84	0,76	1,2
AO2-81-8/6/4	6	15	960	85	0,88	1	2	7
	4	19	1440	84	0,93	1,2
	8	17	710	86	0,83	1,2
AO2-82-8/6/4	6	20	960	86	0,9	1	2	7
	4	25	1440	86	0,93	1,2
	8	25	735	86	0.71	1,2		6

Continuation of the table. 9.62

Motor size	Number of poles	Shaft power, kW	Rotation frequency, rpm	efficiency, %	cos(p	"" nom	M max m nom	"nom
AO2-91-8/6/4 AO2-92-8/6/4	6 4 8 6 4	30 36 36 40 50	980 1470 735 980 1470	87 87 87 87 87	0,82 0,88 0,72 0,84 0,89	1	2 2	6 7 7 6 7

Four speed motors

Synchronous speed 500/750/1000/1500 rpm Winding connection diagram D/D/UU/UU

* Speed ​​control at constant torque. ** Same at constant power.

The price of the Asynchronous electric motor of alternating current AO2-91-6u3: contractual in rub. VAT included

Our company carries out complex deliveries of asynchronous AC motors from stock and on order at dealer prices. Delivery to the place, any transport company, at the request of the customer.

Table 1

Main characteristics

Engine's type	N,	U, V	Frequency	I, A	h, %	n. rpm	M, kg	IP
	kW		current, Hz
AO2-91-6	55	220/380	50,6	177/102	92,5	1000	520	IP44

N - Power, kW

U - Voltage, V

I - Current, A

h - efficiency, %

n - Rotation speed, rpm

M - Mass, kg

IP - Degree of protection GOST 17494-87

Rice. 1 deviceasynchronous AC motor AO2-91-6u3

table 2

asynchronous AC motor AO2-91-6u3

IM1001-1081 Paw execution

Type

L

l1,

l2,

l10,

l11,

l30,

l3,

l33,

b,

b1,

b2

b10,

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

AO2-91-6

1116

140

140

368

460

970

190

514

547

20

18

457

Type

b20,

b30,

h,

h1

h2

h5,

h6,

h31,

h34,

d1,

d2,

d10,

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

AO2-91-6

358

684

280

12

12

74,5

64

622

552

70

60

22

Rice. 2 Overall, installation and connecting dimensions

asynchronous AC motor AO2-91-6u3

IM1001-1081 Paw execution

Table 3

Overall, mounting and connecting dimensions

asynchronous AC motor AO2-91-6u3

IM2001-2081 Performance Combi

Type

L

l1,

l2,

l3,

l10,

l11,

l30,

l33,

l31,

b,

b1,

b2,

b10,

b20,

b30,

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

AO2-91-6

1116

140

146

374

368

460

970

190

514

547

20

18

457

358

684

Type

h,

h1

h2

h5,

h6,

h31,

h34,

d1,

d2,

d10,

d24,

d20,

d25,

nxd22

-

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

AO2-91-6

280

12

11

74.5

64

622

552

70

60

22

225

500

275

8x18

-

Rice. 3Overall, mounting and connecting dimensions

asynchronous AC motor AO2-91-6u3

IM2001-2081 Performance Combi

Table 4

Overall, mounting and connecting dimensions

asynchronous AC motor AO2-91-6u3

IM

Type

L

l1,

l31,

b,

b1,

b10,

b20,

b30,

h,

h1

h5,

d1,

d25,

d20,

d24,

nxd22

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

AO2-91-6

970

140

514

S84

20

660

358

684

292

12

74,5

70

225

500

275

8x18

Rice. 4 Overall, mounting and connecting dimensions

asynchronous AC motor AO2-91-6u3

IM3001 -3081 Version Flange

Table 5

Overall, mounting and connecting dimensions

asynchronous AC motor AO2-91-6u3

IM

Type	L	l1,	l2,	l3,	l10,	l11,	l30,	l31,	l33,	b,	b1,	b2,	b10,
	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
AO2-91-6	1116	140	146	374	368	460	970	190	514	547	20	18	457
AO2-91-6	1116	140	146	374	368	460	970	190	514	547	20	18	457
Type	b20,	b30,	h,	h1	h2	h5,	h6,	h31,	h34,	d1,	d2,	d10,	-
	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
AO2-91-6	358	683	280	12	11	74,5	64	622	552	70	60	24
AO2-91-6	358	683	280	12	11	74,5	64	622	552	70	60	24	-

Rice. 5Overall, mounting and connecting dimensions

asynchronous AC motor AO2-91-6u3

IM1001-1081 Execution Multi-speed paws

PURPOSE AND APPLICATION

Asynchronous AC motor AO2-91-6u3

The three-phase asynchronous electric motor AO2-91-6u3 is designed to drive various mechanisms in stationary installations and to operate as a mechanism drive on ships with an unlimited navigation area, except for emergency equipment. Produced for the needs National economy, the Russian Navy with the sea and river registers of shipping of the Russian Federation.

The three-phase asynchronous electric motor AO2-91-6u3 is also manufactured in accordance with the requirements of regulatory and technical documentation for nuclear power plants.

The design of an asynchronous AC motor AO2-91-6u3

Design and installation method: IM 1001, IM 1002, IM 2001, IM2002, IM 3011 (according to GOST 2479 - 79). At the request of the customer, motors with a different mounting method are manufactured.

Climatic performance- moderate, general climatic marine (U, OM) according to GOST 15150.

Degree of protection against impact environment IP 44 according to GOST 17494-87.

Working mode- continuous S1 in accordance with GOST 183-74 (for general industrial) and S1 in accordance with GOST R 52776 (for execution with acceptance by Rosatom and ship execution).

Safety class– 2N according to NP-001 (for execution with acceptance by Rosatom).

Estimated earthquake level– 9 points on the MSK-64 scale (for execution with Rosatom acceptance).

Type of current- variable three-phase.

Current frequency– 50 and 60 Hz.

Voltage– 220/380V or 380 V. At the request of the customer, it is possible to manufacture motors for a different voltage.

Direction of rotation- any.

Permissible operating height*– 1000 m above sea level.

Operating condition group

M1 according to GOST 17516.1–90 (for general industrial design)

M6 in accordance with GOST 17516.1 (for execution with acceptance by Rosatom)

М46 in accordance with GOST 17516 (for marine version).

Engine cooling method– IC01 according to GOST 20459–87 (for general industrial version) and IC0141 according to GOST 20459 (for version with Rosatom acceptance).

Heat resistance class of stator winding insulation not lower than B in accordance with GOST 8865–87 (for general industrial execution) and H in accordance with GOST 8865 (for ship execution).

Noise level engines should not exceed the limit values: according to class 3 according to GOST 16372–84 (for general industrial execution), according to class 1 according to GOST 16372–84 (for execution with acceptance by Rosatom), Table No. 1 GOST R 53148 (for ship execution) .

*When installing the engine over 1000m, the rated power of the engine must be reduced according to the specifications.

Conventions

Asynchronous AC motor AO2-91-6u3

A - asynchronous motor with a squirrel-cage rotor;

O - blown closed;

2 – serial number of the series;

91 - the serial number of the dimension (the height of the axis of rotation is 280 mm);

1, 2 - symbol for the length of the stator core;

0 - special version with reduced power;

4, 6, 8, 10 - number of poles;

A - special version with acceptance by Rosatom

Asynchronous motors for general purpose types A2 and AO2 are designed for continuous operation from a three-phase alternating current network.
The ratings (power, current, voltage, number of revolutions, efficiency) refer to nominal values climatic factors external environment and minimum ambient temperatures: -40°С during operation and -45°С during storage.

Electric motors of all dimensions are manufactured with six output ends. Winding connection scheme - "triangle", "star" and triangle / star at the request of the customer.
The engines have similar designs to the currently produced AIR series in terms of the degree of protection against environmental influences:

• closed version (IP44) (IP54) made of cast iron (АО2) - size 3 to 9;
• closed version (IP44) (IP54) made of aluminum alloys (AOL2) - sizes 1 to 3

The structure of the designation of the electric motor consists of marking the design according to the degree of protection (AO2, AOL2), designating the type of the electric motor (the first digit indicates the ordinal number of the overall size, the second - marking the length of the core), the number of poles, climatic version and placement category.
Example symbol:
AO2-62-4U3 - an electric motor of a closed ventilated version with a frame and shields made of cast iron, size 6, 2nd core length, four-pole (1500 rpm), climatic version U, placement category 3.

STRUCTURAL SCHEME OF DESIGNATION OF ENGINES

1 - product name;
2 - marking series AO2, AOL2
3 - the first digit is the size, the second digit is the conditional length of the stator core;
4 - F - independent ventilation, 2P-frequency regulation, C - with increased slip.
5 - number of poles (2; 4; 6; 8; 10; 12);
6 - B-temperature protection,
7 - designation of the climatic version of the engine according to GOST 15150 (U; T; M; TV);
8 - designation of the engine placement category according to GOST 15150 (3; 4);

An example of recording the designation of an AO2-32-4U3 engine with voltage 220/380V, mains frequency 50Hz, power 3kW, version IM1081 with input device K-3-1:
1. For domestic deliveries:
Engine AO2-32-4U3, 220/380V, 50Hz, IM1081, K-3-1, 3N

General information

Asynchronous motors types AO41-4 and AO41-6 are designed to drive various mechanisms.

Symbol structure

AO41-X U2:
AO - asynchronous, blown closed;
4 - engine size;
1 - conditional length of the stator package;
X - number of poles (4; 6);
U2 - climatic version and placement category according to GOST
15150-69 and GOST 15543.1-89.

Operating conditions

Height above sea level is not more than 1000 m.
When installing the engine at an altitude of over 1000 m, the rated power is reduced in accordance with the coefficient K (Table 1).

Table 1

Height above sea level, m	1000	1500	2000	2500	3000	3500	4000
K factor	1	0,98	0,95	0,92	0,88	0,84	0,8

Ambient temperature from minus 45 to 40°C.
Relative humidity up to 80% at 20°C.
The cooling air does not contain flammable or explosive impurities.
The content of corrosive agents in the atmosphere according to type II GOST 15150-69.
Dust concentration in the environment up to 10 mg/m 3 .
Group of operating conditions in terms of the impact of mechanical factors M1 according to GOST 17516.1-90.
Engines must be protected from direct exposure to solar radiation and atmospheric precipitation.
Safety requirements according to GOST 12.2.007.0-75 and GOST 12.2.007.1-75.
Engines meet the requirements of TU IBN.050. 380.

TU IBN.050.380

The main technical data are given in table. 2.

table 2

Parameter name	Parameter value for types
	AO41-4	AO41-6
Rated power, kW	1,7	1,0
Network frequency, Hz	50
Rated voltage, V	220/380
Rated current 1) , A	6,7/3,9	4,8/2,8
Speed, min -1	1500	1000
	81,5	77
	0,82	0,72
Slip, %	5,4	7
I start / I nom	5,0	6,0
M start / M nom	1,8	1,3
M max / M nom	2,0	1,8
Moment of inertia of the rotor, kg m 2	0,044
Weight, kg, versions:
	32
	36

1) The current values ​​given in the numerator correspond to a voltage of 220 V, in the denominator - to a voltage of 380 V.

Continuous operating mode (S1) according to GOST 183-74.
The degree of protection of engines from environmental influences IP44 according to GOST 17494-87.
The method of cooling engines 1C01 according to GOST 20459-87.
Heat resistance class of stator winding insulation A according to GOST 8865-93.
The vibration level corresponds to class 4.5 according to GOST 16921-83.
The noise level does not exceed the limit values ​​for class I GOST 16372-84.
The insulation resistance of the motor windings relative to the housing and between phases at operating temperature is at least 1 MΩ.
Average resource up to overhaul- 30,000 hours
Mean time between failures - 23,000 hours.
Fixed time storage - 3 years.
Warranty period - 2 years from the date of putting the engines into operation with an operating time of 10,000 hours.

Execution according to the method of mounting IM1001 and IM2001 according to GOST 2479-79.
The stator of the electric motor consists of a cast-iron frame, a core made of sheets electrical steel, and a single-layer bulk winding laid in half-closed grooves.
The rotor consists of a core mounted on a shaft and a cast aluminum squirrel-cage winding.
Bearing shields and covers are cast, aluminum.
Electric motors are made on N306 ball bearings; the outer race of one of the bearings is not fastened. Grease bearing lubricant.
K-1 output device (without terminal box with free output ends).
The overall, mounting and connecting dimensions of the motors are shown in fig. 12.

General view, overall, mounting and connecting dimensions of electric motors of types AO41-4 and AO41-6, version IM1001

General view, overall, mounting and connecting dimensions of electric motors of types AO41-4 and AO41-6 of execution IM2001 v

The scope of delivery includes: a motor with a key and a passport, technical description and instruction manual.

To drive woodworking machines, asynchronous electric motors of a new series (closed, ventilated and protective) are used. Electric motors of this series with a cast-iron housing are designated A, and with an aluminum housing - AL. The letter O is added to the designation of closed electric motors, indicating that the electric motor is blown (AO, AOL). After the designation A and AL, three digits characterize the electric motor: the first digit indicates the outer diameter of the stator package, the second is the length of this package in arbitrary units, the third digit indicates the number of poles.

Asynchronous electric motors of a single series are produced for standard voltages of 127/220, 220/380 and 500 V, with the connections of the stator windings, respectively: triangle to star, triangle to star and star.

Instead of electric motors of the A and AO series, since 1961 a new series of electric motors has been produced. It has the best energy performance, as well as smaller overall dimensions and weight. New series electric motors are indicated with the addition of the number 2 (A2, A02, AK.2, etc.). Based on the basic design of electric motors of types A2 and A02, modifications AP2 and AOP2 with increased starting torque are produced; AC2 and AOC2 electric motors with increased slip; AK2 electric motors with a phase rotor; electric motors A2 and A02 are multi-speed.

These electric motors are produced for voltages of 220/380 and 500 V with increased starting torque and a squirrel-cage rotor. Execution closed, blown. Form of execution M-101.

The main technical data of electric motors of the AOP2 series are given in Table. fifteen.

THREE-PHASE ASYNCHRONOUS ELECTRIC MOTORS AOS2 SERIES (GOST 183-66)

These electric motors are available for 220/380, 380 or 500 V with increased slip and a squirrel-cage rotor. Their main technical data are given in table. 16, 17.

Table 16

Technical data of asynchronous electric motors of the AOC2 series

				Power, ket, At syn-
				chrono rotation speed,
			electric motor		o/man			kg
							600
AOS2-31-4,	6
AOS2-32-4,	6					-
AOC2-41-4,	6,	8
AOS2-42-4,	6,	8
AOC2-51-4,		8
AOS2-52-4,	6,	8
AOS2-61-4,	6,	8
AOS2-62-4,	6,	8
AOS2-71-4,	6,	8
AOS2-72-4,		8
AOS2-81-4,	6,	8,	10……………………………………….
AOS2-82-4,	6,	8,	10………………………………………..
AOS2-91-4,	6,	8,	10……………………………………….	58
AOS2-92-4,	6,	00	10……………………………………….

ASYNCHRONOUS THREE-PHASE CURRENT ELECTRIC MOTORS AK2 SERIES (TU AB.4.12252)

These electric motors are produced with a phase rotor for a voltage of 220/380 and 500 o. They are intended for continuous operation from a network with a frequency of 50 Hz. The execution is protected. Form of execution - M-101.

The main technical data of such electric motors are given in Table. eighteen.

Table 18

Technical data of asynchronous electric motors of the AK2 series

		Power, ket, at
		rotation speed, rpm			The weight,
	Motor type
		1500	1000
AK2-81-A,	C), 8…………………………………………			22
AK2-82 A,	(>, N…………………………………………			30
AK2-91-4,	0, 8…………………………………………..			40
AK2-92-4,	0, 8…………………………………………..			555

ASYNCHRONOUS THREE-PHASE CURRENT ELECTRIC MOTORS A02 and AOL2 SERIES (MRTU 2-015-002-62)

These electric motors (A02 series in a cast-iron shell and AOL2 in an aluminum shell) of general industrial use with a squirrel-cage rotor are produced for a voltage of 220/380 and 500 e. The design is closed, ventilated. Form of execution M-101.

The main technical data of such electric motors are given in Table. 19, 20.

0 Table 19

Technical data of asynchronous electric motors of the A02 and AOL2 series at a synchronous rotation speed of 3000 rpm

Type of electro-	Power, ket	The weight,	Type of electro-	Power,	The weight,
engine			engine	ket
AO L 2-11-2
AOL2-12-2
AOL2-21-2
AOL2-22-2
AOL2-31-2
AOL2-32-2
A02-21-2
A02-22-2
A02-31-2
A02-32-2
А02-41-2

ASYNCHRONOUS THREE-PHASE CURRENT ELECTRIC MOTORS AOLS2 SERIES (STU 79-1957-65)

These electric motors (in an aluminum shell) are produced for voltages of 127/220, 220/380 or 500 V with increased slip and a short closed rotor. Execution closed, blown. Execution form - M-101-The main technical data of such electric motors are given in table. 21, 22.

Technical data of asynchronous electric motors of the AOLS2 series at a synchronous rotation speed of 3000 rpm

Motor type	Power, ket	Weight, kg	Motor type	Power, ket
. A0LS2-12-2

ELECTRIC MOTORS TWO-SPEED ASYNCHRONOUS THREE-PHASE CURRENT A02 SERIES

These electric motors are available for voltages of 220, 380 and 500 V with a squirrel-cage rotor. Execution closed, blown. Form of execution - M-101.

The main technical data of these electric motors are given in Table. 23.

Electric motors 750/1500 rpm

A02-41-	-8/4	1.6			А02-62-8/4
		2,5
A02-42-	-8/4	2,3			А02-71-8/4
		2,9
A02-51-	-8/4	3,0			А02-72-8/4
		4,8
A02-52-	-8/4	4,1			А02-81-8/4
		6,6
A02-61-	-8/4	5,5			А02-82-8/4
		8,5
	Electric motors				at 1500/3000 rpm
A02-31-	-4/2	1,8			А02-51-4/2
		2,3
A02-32-	-4/2	2,3			А02-52-4/2
		2,9
A02-41	-4/2	3,3			L02-61-4/2
		4,1
A02-42	-4/2	5,5			А02-62-4/2
		4,7

ASYNCHRONOUS THREE-PHASE CURRENT ELECTRIC MOTORS OF T, FT, F TYPES (TU 2-024-19-66)

On woodworking machines, asynchronous electric motors of types T, FT, F of low power, as well as electric motors of the DPT series, are used as a drive.

These electric motors are produced for a voltage of 220/380 V with a mains frequency of 50 Hz. The execution is closed. Execution form for electric motors of type T and F - M-261, for electric motors of type FT - M-361.

The main technical data of these electric motors are given in Table. 24.

Table 24

Technical data of asynchronous electric motors of types T, FT, F

Motor type	Power, W	Speed rotation,		Motor type	Power,	Rotational speed,
	80	1400	4,2		120	2800	4,4
	80	1400	4,4		120	2800	4,4
	120	2800	4,2

THREE-PHASE ASYNCHRONOUS ELECTRIC MOTORS DPT SERIES

These electric motors are manufactured for voltage 127/220 and 220/380 V, frequency 50 Hz, with a squirrel-cage rotor. Execution closed, blown. Form of execution - M-211.

The main technical data of such electric motors are given in Table. 25.

Table 25

Technical data of asynchronous electric motors of the DPT series

Motor type	Power, W	Speed rotation,		Motor type	Power, W	Rotational speed,
	270	1400	8,7	DPT-22-4/2S2			9,8
	500	1410	9,8	DPT-22-2S2			10,0
	400	2800	8,7	DPT-21-4/2S2			8,7

THREE-PHASE ASYNCHRONOUS ELECTRIC MOTORS VAO SERIES EXPLOSION-PROOF

These electric motors are produced with a squirrel-cage rotor. They are designed to work in installations with the possible formation of firedamp "(methane), with the presence of explosive coal dust and vapor, gas-air mixtures of 1, 2, and 3rd category of flammability groups. Form of execution - M-101.

Electric motor type				■2					■2
Power, ket, at
synchronous speed
rotation 3000 rpm
Electric motor type
Power, ket, at
synchronous speed
rotation 1500 rpm
1 Electric motor type
Power, ket, at
synchronous speed
rotation 1000 rpm
Electric motor type
Power, ket, at
synchronous speed
rotation 750 rpm
Electric motor type
Power, ket, at
synchronous speed
rotation 3000 rpm
Electric motor type
Power, ket, at
synchronous speed
rotation 1500 rpm

Electric motor type VAO-32-6 VAO-41-6 BAO-42-6 VAO-51-6 VAO-52-6
gatela

Power, ket, at 2.2 3.0 4.0 5.5 7.5
synchronous speed
rotation 1000 rpm

Motor type BAO-62-8 BAO-71-8 VAO-72-8 VAO-81-8 BAO-82-8
gatela

Power, cat. at 10.0 13.0 17.0 22.0 30.0
synchronous speed
rotation 750 rpm

Note. Electric motors insulation class - B. Execution - РВ, В15, blown.

Electric motors of the BAO series are also used as drives and separate units of finishing woodworking equipment.

The main technical data of BAO series electric motors are shown below.

Table 26

Electric motors of the BAO series installed on the finishing woodworking equipment

Name of equipment		trodvigatel power,	rotational speed,	Number of installed electric motors, pcs.	Motor installation location
PZShch machine for	BAO-12-6	0,6			vibration mechanism
pore filling
	BAO-22-6	1,1			Roll drive
	VAO-11-6	0,4
ShPSH machine for	BAO-42-8
priming under
opaque finish
Laconic ma-	BAO-22-2	2,2			» conveyor
	BAO-22-2	0,8	-
single drum	VAO-51-4	7,5			» drum
polishing
GIB machine

Examples of the use of electric motors on finishing woodworking equipment are given in Table. 26.

On fig. 33 shows a kinematic diagram of a single-drum polishing machine P1B. On this machine, a VAO-51-4 electric motor with a power of 7.5 kW and a rotation speed of 1500 rpm is installed as a drive.

Electric motors of the MD and MDU series with a squirrel-cage rotor are used to drive woodworking machines.

They are powered from the mains with a current frequency of 50 and 100 Hz. Execution closed, blown. Form of execution M-101.

Technical characteristics of electric motors of the MD and MDU series

	md-o			md-z		MDMU-1 MDMU-2
Power, ket
Rotation speed.
Mains voltage, V
Frequency Hz
Power, ket
Rotational speed.
Mains voltage, V
Frequency, ec

On fig. 34 shows a four-sided planer S16-5P with an installed electric motor of the MD series.