Description
Product Overview
The GE WESDAC D20ME II is a cutting – edge substation automation controller developed by General Electric. It is part of the renowned Multilin D20/D200 series of substation controllers, which are well – known for their high performance and reliability in the power industry. The WESDAC D20ME II serves as the sixth – generation main processor for the D20 platform, offering a comprehensive set of features for substation automation.
This controller plays a central role in substation operations by providing functions such as central processing, data concentration, protocol conversion, and customizable local automation. It can efficiently manage and process large amounts of data from various substation devices, ensuring real – time and accurate control. In the automation system, the GE WESDAC D20ME II is positioned as a key component that enhances the overall efficiency, reliability, and safety of electrical substations. It offers significant value by reducing operational costs, improving power quality, and enabling seamless integration with other substation equipment.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | WESDAC D20ME II |
| Manufacturer | General Electric |
| Product Type | Substation Automation Controller |
| Processor Architecture | 32 – bit microprocessor |
| Memory Configuration | 2 MB flash application memory, 1.5 MB SRAM, 512 KB NVRAM, 1 MB boot ROM |
| Communication Interface | 7 RS – 232/485 serial ports, RS – 232 maintenance port, 2 D.20 link HDLC ports, Ethernet interface |
| Clock and Resolution | TCXO clock, 1.0 ms resolution, accuracy ±2 ppm |
| Input Voltage | 85 – 264 V~ (including ±10% tolerance), 47 – 63 Hz, 100 – 300 VDC |
| Output Voltage | +5 V @ 7 A, +12 V @ 2 A, – 12 V @ 1 A, 24 V iso @ 3 A |
| Maximum Power Output | 143 W |
| Dimensions | Length: 782 mm, Width: 356 mm, Height: 835 mm |
| Weight | 2.6 kg |
| Operating Temperature | – 20°C to 60°C |
| Humidity Range | 5% – 95% non – condensing |
Main Features and Advantages
Advanced Data Processing
The GE WESDAC D20ME II is equipped with a 32 – bit microprocessor, which enables it to handle complex data processing tasks with high speed and accuracy. It can quickly analyze and process data from multiple sources, such as sensors and meters in the substation, ensuring timely decision – making for control and protection.
Versatile Communication Capabilities
This controller supports a wide range of communication protocols, including IEC 61850, DNP 3, and Modbus. It also has multiple serial and Ethernet interfaces, allowing seamless integration with various substation devices and systems. This versatility makes it easy to connect to different types of equipment, regardless of their communication standards.
Customizable Automation
The WESDAC D20ME II offers customizable local automation functions, which can be tailored to meet the specific requirements of different substations. Users can configure the controller to perform specific control tasks, such as voltage regulation, load shedding, and fault detection, based on the unique characteristics of their substation.
High Reliability
With its redundant design and high – quality components, the GE WESDAC D20ME II ensures continuous operation even in harsh environments. It has a wide operating temperature range from – 20°C to 60°C and can withstand high humidity levels, making it suitable for use in various geographical locations.
Application Field
Power Substations
In electrical substations, the GE WESDAC D20ME II is used for comprehensive control and monitoring. It can manage the flow of power, protect equipment from faults, and ensure the stability of the power grid. For example, it can detect short – circuits and quickly isolate the faulty section to prevent damage to other parts of the substation.
Industrial Power Systems
Industrial facilities often have their own power systems, and the WESDAC D20ME II can be used to optimize the operation of these systems. It can monitor power consumption, adjust the load, and ensure the quality of power supply to industrial equipment, thereby improving production efficiency and reducing energy costs.
Renewable Energy Integration
As the share of renewable energy sources such as solar and wind power in the power grid increases, the GE WESDAC D20ME II can play a crucial role in integrating these sources into the existing power system. It can manage the variability of renewable energy generation, balance the power flow, and ensure the stability of the grid.
Related Products
- GE Multilin D20: The basic platform on which the WESDAC D20ME II is an upgraded version. The D20 has similar core functions but may have less advanced features compared to the D20ME II.
- GE Multilin D200: A more advanced member of the same series, suitable for larger – scale substation automation projects. It may offer higher processing power and more extensive communication capabilities than the WESDAC D20ME II.
- GE WESDAC D20ME I: The previous generation of the D20ME II. While it shares some common functions, the D20ME II has improvements in performance, reliability, and communication features.
- GE D20 – PS high – voltage AC/DC power supply: This is a supporting product that provides stable power for the GE WESDAC D20ME II. It is designed to meet the specific power requirements of the controller.
- GE D20 MX chassis: The chassis is used to install the WESDAC D20ME II. It provides mechanical support and electrical connections for the controller, ensuring its proper operation in the substation environment.
Installation and Maintenance
Pre – installation preparation: Before installing the GE WESDAC D20ME II, ensure that the installation environment meets the specified requirements. The temperature should be within the range of – 20°C to 60°C, and the humidity should be between 5% – 95% non – condensing. Check the integrity of the chassis and all components, and ensure that the power supply voltage is within the acceptable range of 85 – 264 V~ (including ±10% tolerance), 47 – 63 Hz, 100 – 300 VDC. Read the installation manual carefully and prepare all the necessary tools and cables.
Maintenance recommendations: Regularly monitor the operating status of the GE WESDAC D20ME II through the status indicators and diagnostic functions. Check the communication connections to ensure reliable data transfer. Clean the controller and the chassis periodically to prevent dust accumulation. Update the firmware in a timely manner to ensure the controller has the latest features and security patches. If any faults occur, refer to the troubleshooting guide in the manual or contact GE’s technical support.
Product Guarantee
General Electric offers a comprehensive product guarantee for the GE WESDAC D20ME II. The company is confident in the quality of the product, which undergoes strict quality control during the manufacturing process. GE provides a standard warranty period, during which any defects in materials or workmanship will be repaired or replaced free of charge. Their technical support team is available 24/7 to assist customers with installation, configuration, and troubleshooting. Whether it’s a simple question or a complex technical issue, GE’s experts are committed to ensuring that the WESDAC D20ME II operates smoothly in the customer’s substation automation system. This commitment reflects GE’s dedication to customer satisfaction and the long – term success of its products in the power industry.
