DS2020EXPMG2 - Exciter Protection Module

SPECIFICATIONS:

Part Number: DS2020EXPMG2
Manufacturer: General Electric
Series: EX2000
Product Type: Exciter Protection Module
Power Requirements: +5 V dc, 6 A
Input Voltage: +/- 24V dc
Number of relay channels: 12
Power supply voltage: 28 V dc
DC Signal: 638 V
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: -30 to +65°C
Size: 15.9 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States

FUNCTIONAL DESCRIPTION:

DS2020EXPMG2 is an Exciter Protection Module manufactured and designed by General Electric as part of the EX2000 Series used in GE Excitation Control Systems. An exciter protection module is critical in power generation systems, particularly in generators or alternators. Its primary function is to monitor and safeguard the exciter, a key element for creating the magnetic field necessary for electricity generation. This module continuously monitors parameters such as voltage, current, temperature, and frequency within the excitation system. It's programmed to detect any deviations from normal operating conditions that could potentially harm the exciter or the overall system. If the module identifies any parameter exceeding preset limits, indicating a potential risk to the exciter, it triggers protective actions. These actions may include:

• Automatic shutdown of the exciter to prevent further damage.
• Activation of alarms or alerts to notify operators about the detected issue.
• Adjustment of control settings to mitigate risks and ensure system stability.

FEATURES:

• Voltage Monitoring: Continuously monitors exciter voltage levels to ensure they remain within safe operating limits.

• Current Monitoring: Monitors exciter current flow to detect any abnormal or excessive currents that could indicate a fault or malfunction.

• Temperature Monitoring: Monitors the temperature of critical components within the exciter to prevent overheating and potential damage.

• Frequency Monitoring: Monitors the frequency of the excitation system to ensure it remains stable and within acceptable ranges.

• Fault Detection: Detects and identifies various types of faults such as overvoltage, undervoltage, overcurrent, short circuits, and other abnormalities.

• Alarm System: Activates alarms or alerts in case of detected faults or abnormal conditions, providing timely notification to operators or maintenance personnel.

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FREQUENTLY ASKED QUESTIONS:

Why is exciter protection important?

Exciter protection is crucial because the exciter is a critical component in power generation systems. Protecting it helps prevent equipment damage and downtime, and ensures the reliability of electricity supply.

What parameters does an exciter protection module monitor?

Exciter protection modules typically monitor parameters such as voltage, current, temperature, and frequency within the excitation system to ensure safe operating conditions.

How does an exciter protection module work?

An exciter protection module continuously monitors the exciter's parameters and compares them against preset thresholds. If any parameter exceeds these thresholds, indicating potential issues, the module triggers protective actions such as alarms, shutdowns, or adjustments.