Siemens Robicon LDZ31500082.660 power unit

Siemens Robicon LDZ31500082.660 power unit

Siemens Robicon power unit

Origin: Germany


Brand: Siemens


The Siemens Robicon LDZ31500082.660 power unit is a power unit in the Siemens Robicon series, mainly used in high-voltage frequency converters, responsible for converting DC power to AC power and outputting it to the load end. It consists of rectifier bridge, filtering capacitor, IGBT module, etc., which can achieve AC-DC-AC voltage type unidirectional output. By controlling the input voltage frequency and amplitude of the motor, precise control of the motor speed can be achieved

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Siemens Robicon power unit

Origin: Germany


Brand: Siemens


The Siemens Robicon LDZ31500082.660 power unit is a power unit in the Siemens Robicon series, mainly used in high-voltage frequency converters, responsible for converting DC power to AC power and outputting it to the load end. It consists of rectifier bridge, filtering capacitor, IGBT module, etc., which can achieve AC-DC-AC voltage type unidirectional output. By controlling the input voltage frequency and amplitude of the motor, precise control of the motor speed can be achieved

Product Introduction


Power range: 400KW-15000KW


Input voltage: 2300VAC-13800VAC


Output frequency: 0-50/60Hz, users can choose up to 330Hz


Frequency accuracy: ± 0.5%


Protection level: IP31 (air-cooled), IP54 (water-cooled)


Environmental temperature: -15 to 40 ℃ Celsius; There are lower temperature requirements, special

instructions are needed


Altitude: Below an average altitude of 1000 meters, there are higher requirements and special

instructions are needed


Pollution level: less than 100 micrometers at 6.5 milligrams per cubic liter; Chloride and sulfide

with electrical resistance less than 4 parts per billion application area


Siemens Robbins' products are widely used in industrial automation, power systems, new energy

generation, and other fields. In industrial automation, Robin Kang's power module can accurately

control the operation of motors, improve production efficiency and product quality; In the power

system, achieving precise control and distribution of electrical energy can improve the stability and

reliability of the power grid; In new energy generation, meeting the requirements for grid connection

and improving the efficiency and stability of new energy generation.


Maintenance and troubleshooting

Confirmation of speed and encoder resolution: Ensure that the speed and encoder resolution


meet the system requirements.

Calculation of load torque: including the conversion of load torque on the motor shaft and the

calculation of acceleration and deceleration torque.


Calculation and selection of regenerative resistors: For systems above 2KW, external configuration

of regenerative resistors is required.


Cable selection: Encoder cables require twisted pair shielding. For Japanese products, encoders

have 6 cores, while incremental encoders have 4 cores.


The selection of braking methods: electromagnetic braking, regenerative braking, and dynamic

braking each have their own advantages and disadvantages, and it is necessary to choose the

appropriate braking method according to the specific application scenario



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