1. Product Description
- The MRR1-D is a digital motor ramp rate relay, manufactured by Woodward.
- This device is designed to control the acceleration and deceleration rates of electric motors, especially in critical applications where smooth and controlled speed changes are essential.
- The MRR1-D provides precise ramp rate control, protecting motors and connected equipment from excessive stress during start-up and shut-down.
- Woodward is well known for its control solutions in the energy and industrial sectors, and this relay reflects their expertise in motor control.
- The device is designed to replace older analog ramp rate relays, with increased digital precision, and settings.
2. Product Parameters
Due to the specialized nature of Woodward products, precise parameters are best obtained from official datasheets. However, here are some general parameters and features:
- Manufacturer: Woodward
- Type: Digital Motor Ramp Rate Relay
- Function: Motor acceleration/deceleration control
- Power Supply: Wide range of AC/DC voltages.
- Digital Settings: Precise control through digital parameter adjustments.
- Relay Outputs: Multiple relay outputs for control and alarm functions.
- Communication: Serial communication ports for monitoring and configuration.
- To obtain accurate parameters, refer to the official Woodward datasheets.
3. Advantages and Features
- Precise Ramp Rate Control: Digital control allows for highly accurate ramp rate settings.
- Motor Protection: Protects motors and equipment from mechanical stress during start-up and shut-down.
- Digital Adjustments: Easy and accurate adjustments through digital settings.
- Reliability: Woodward products are known for their reliability in industrial applications.
- Communication Capabilities: Enables remote monitoring and control.
- Replace Analog: Designed as a replacement for older analog systems.
4. Application Fields and Application Cases
The MRR1-D is commonly used in:
- Pumping systems
- Conveyor systems
- Compressors
- Industrial fans
- Any application with large electric motors.
Application Case:
In a large water treatment plant, the MRR1-D is used to control the start-up and shut-down of large pumps. This ensures that the pumps accelerate and decelerate smoothly, preventing water hammer and mechanical damage to the piping system.
5. Competitive Product Comparison
- Woodward is a leader in control solutions for industrial and energy applications.
- Compared to other motor ramp rate relays, the MRR1-D offers precise digital control and reliable performance in demanding environments.
- The digital nature of the device, makes it far more accurate, and repeatable then older analog devices.
