EN
- Overview
- Specifications
- Description
- Applications
- Competitive Advantage
- FAQ
- Recommended Products
Overview
Place of Origin: |
Sweden |
Brand Name: |
ABB |
Model Number: |
CMA125 3DDE300405 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Parameter |
Product Details |
|
Model |
CMA125 3DDE300405 |
|
Device Type |
Generator Card |
|
Net Dimensions |
480 x 82 x 180 mm |
|
Net Weight |
0.66 kg |
|
Operating Voltage |
220 V AC ±15% |
|
Output Frequency |
50 kHz |
|
Operating Temperature |
-40 °C to +70 °C |
|
Relative Humidity |
≤ 95% RH, non-condensing |
|
Communication Interfaces |
Dual redundant Ethernet + RS485, supports IEC61850 |
|
Protection Class |
IP67 (dust and water resistant) |
Description
ABB CMA125 3DDE300405 Generator Card is a protective PCB module designed for ABB control and generator systems, ensuring safe operation by detecting and isolating short circuit conditions while maintaining reliable performance in industrial environments.
Applications
Shipyard: Used to control the ship's main generators, ensuring stable power supply during navigation.
Generator Set Manufacturer: Serves as the core of excitation control and grid connection for high-end generator sets.
Diesel Engine Manufacturer: Provides high-power engines, enabling integrated electromechanical speed control.
Offshore Oil and Gas Plant: Maintains grid voltage and frequency balance in island operation mode.
Emergency Power Plant: Ensures rapid voltage build-up and startup of backup power supplies for hospitals and data centers.
Competitive Advantage
Generator Protection: Provides reliable short circuit detection and isolation for generator modules
Durable Construction: Built to withstand electrical stress and harsh industrial environments
system Integration: Compatible with ABB generator and automation platforms
Maintenance Friendly: Simplifies troubleshooting and replacement procedures
stable Performance: Ensures consistent protection and reliable generator operation
Compact Design: Saves cabinet space while maintaining robust functionality
Extended support: Suitable for legacy ABB generator systems requiring replacement cards
FAQ
Q: Can the CMA125 3DDE300405 module directly control the DC exciter?
A: Yes. The CMA125 3DDE300405 output control signals are specifically designed to drive the power unit and regulate the excitation current.
Q: Why is the generator output voltage higher after replacing the CMA125 3DDE300405?
A: The new CMA125 3DDE300405 may be set to default factory parameters. The rated voltage must be reset according to the generator nameplate.
Q: Does the CMA125 3DDE300405 support reactive power compensation (displacement control)?
A: Yes. The CMA125 3DDE300405 enables parallel operation of multiple generators and balances reactive loads.
Q: Will the CMA125 3DDE300405 automatically shut down if the excitation current is too high?
A: Yes. It has a built-in overexcitation limiting function to prevent overheating and protect the generator rotor windings.
Q: Can a faulty CMA125 3DDE300405 cause the generator to shut down?
A: Yes. A faulty CMA125 3DDE300405 typically results in excitation loss or voltage runaway, triggering the system’s safety shutdown.
