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Converter of the electric drive of opening of the bottom of a bucket of the maximum concentration limit career excavator buy in Moscow
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Buy Converter of the electric drive of opening of the bottom of a bucket of the maximum concentration limit career excavator
Converter of the electric drive of opening of the bottom of a bucket of the maximum concentration limit career excavator

Converter of the electric drive of opening of the bottom of a bucket of the maximum concentration limit career excavator

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Russia, Moscow
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Description
Replacement of contactors and resistors of the drive of "corn-crake" of EKG-8 excavators, (-10,-12,5,-15,-20, etc.). Provides a uniform tension of a cable of opening of the bottom of a bucket of the excavator.

Consists of two irreversive converters:

THE FIRST
provides power supply of an anchor winding of the engine, working in two modes:

  • choice of a weak point of a rope (lock)
  • opening of the bottom of a ladle (starting)

THE SECOND
provides power supply of a winding of excitement of the engine.

Small dimensions, high reliability in operation, simplicity of a design.
Any efforts at installation.
The tight control unit does not demand adjustment.

TECHNICAL PARAMETERS

The device contains two irreversive converters.

The first thyristor converter (P1) is executed according to the bridge three-phase symmetric scheme and provides power supply of an anchor winding of the engine.

The converter works in two modes:

  • choice of a weak point of a rope (lock)
  • opening of the bottom of a ladle (starting)
Parameters of the lock mode
Rated current, And, no more 50
Range of regulation of current, And 0... 50
Error of regulation of current, %, no more

2


Parameters of the starting mode
Rated current, And, no more 250
Range of regulation of current, And 0... 50
Error of regulation of current, %, no more 2

The second converter (P2) is executed according to the bridge scheme with relay management and provides power supply of a winding of excitement of the engine.

Specifications of P2

Rated voltage in the starting mode

(3 2/p) U2f

Rated voltage in the lock mode (2/p) U2f

(U2f - the phase tension of a secondary winding of the transformer)

Structurally the converter is executed in the form of the finished module.

Specifications of the converter

Name of parameter Value

Degree of protection

IP32

Supply voltages, In 380±15%
Nominal entrance frequency, Hz 50±3%
Climatic modification and category of placement UHL2
Overall dimensions, mm 415х240х210
Weight, kg, no more 10
Cooling Natural
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Converter of the electric drive of opening of the bottom of a bucket of the maximum concentration limit career excavator
Converter of the electric drive of opening of the bottom of a bucket of the maximum concentration limit career excavator
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