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User Guide
EC-C1700B-420
Product overview
Intended use of the electric device
©
Danfoss | June 2023
Microgrid protections and limits (continued)
Protections
Hardware overvoltage trip (Fixed 1300 V
Inverter overtemperature trip (measured)
Inverter overtemperature trip (estimated)
Limits
Output voltage reduction in overcurrent situation
Frequency reduction in overcurrent situation
Grid voltage reduction in low DC-link situation
The electric device is intended only for professional use. Installation, operation and
maintenance of the electric device is permitted only for trained personnel and professionals.
The electric device is intended for fixed installation, as a part of complete power generation
equipment or system.
Typical applications for the electric device:
•
System component, functioning as a speed and torque controller for electric motors
•
System component, functioning as a current converter, converting alternating current (AC) from
electric generator to direct current (DC) for energy storage.
Not allowed use of the electric device
It is forbidden to use, handle, maintain and storage the electric device in following ways (including but
not limited to):
•
Using the electric device for other purposes than defined in the user guide.
•
Disregarding the obligation to comply with the user guide, safety signs and rating plate of the
electrical device.
•
Using the electric device, making adjustments and maintenance without first reading the user guide.
•
Exceeding the designed limits during the operation.
•
Using non-original service parts of wrong material causing corrosion problems and mechanical
failures in time.
•
Operating and performing maintenance on the electric device without appropriate personal
protective equipment.
•
Using the electric device for supporting other structures or indirect movements.
•
Causing any kind of impact forces to the electric device (for example hitting or hammering or
dropping objects).
•
Operating the electric device with electric connections other than defined in the user guide.
•
Operating the electric device with power cables routed against the instructions.
•
Operating the electric device without properly dimensioned and operating cooling system.
•
Lifting the electric device with additional load attached.
)
DC
BC454142332191en-000101 | 23
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