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ЭППЗ-334

ЭППЗ-334                        

- mutual coupling electric drive in composition:

THE ELECTRIC MOTOR

- brushless d.c. motor ДБ80-2200-12;

THE ROTARY ELECTROMECHANISM                 

 

- two-motors with summation of rotation frequencies МВ5Д5С;

THE CONTROL SYSTEM

- three-networks, digital;

THE CONTROL DEVICE                    

- two digital units of control and checking БУКЭ-334,

- sensor units of angle and limit switches БДКВ-11Т, БДКВ-12Т,

- four resistor units БР-50,

- four electromechanical brakes ТЭМ-114А.


ЭППЗ-334 is used for control by flaps and slats.

ЭППЗ-334 ensures:

§      Displacement of flaps and slats:

-       Basic condition («ОР»): in assigned by control handle position with automatic correction of working off flaps and slats current position according to information from interacting systems about high and speed of flight, mass of aircraft,

-       Tracking condition («СР»): in assigned by control handle position,

-       From switches of emergency control by failure of condition «ОР», «СР»,

-       From one canal electric drive in any condition in case when second canal has refused,

-       Automatic closure up flaps and slats by go-around,

-       Automatic output of slats by achievement of minimum permissible speeds,

-       Limitation of torque on electromechanism shaft,

-       From handle drive of rotary mechanism by regulations on land;

Switching-off electromechanism and braking of transmission by electromechanical brakes in case of                                                          transmission destruction or spontaneous rotation;           

§      Built-in automatic check in flight and on land;

§      Adjustment and service  with help of built-in front panel of digital desk unit;

§      Fixation of  mechanism shaft by standing brakes of motors.



                                                             Basic technical characteristics

Output power, kW

2,35

 

Supply voltage,V

Three-phase alternating current

115/200

Moment max.,

N·m

Counteracting

58,8

 

Direct current

27

Helping

19,6

 

Static error, %

±1,5

Rotation

frequency,

min-1

By counteracting moment

610

 

 

Mass,

kg

Summary

36,2

By helping moment

< 800

 

Actuating electric mechanism

16,0

Limited torque on electromechanism shaft, N×m

71-102

 

Control system

20,2



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