[General Electric] GE Multilin EPM 9900P Power Quality Instrument Debugging and Fault Diagnosis Guide

2026-06-05

In modern power systems, from substations to data centers, from semiconductor manufacturing plants to hospitals, power quality issues (such as voltage dips, surges, transient overvoltages, harmonic distortions, etc.) can lead to production interruptions, equipment damage, and even safety accidents. GE Multilin ™ The EPM 9900P high-performance power quality and transient recorder launched is designed to meet these harsh scenarios. It integrates 0.06% measurement accuracy (ANSI 0.2 level), transient waveform capture capability up to 50MHz, power quality analysis compliant with IEC 61000-4-30 Class A standard, and flexible IEC 61850 communication, becoming the flagship product for industrial, utility, and critical facility power monitoring.

[General Electric] GE EX2100e Excitation System Complete Guide

2026-05-27

In the field of excitation control in power plants, GE's EX2100e series, as the fourth generation digital excitation control system, is widely used in the construction and renovation projects of steam turbine, gas turbine, and hydro generator units. This article is aimed at on-site engineers and system integrators, providing an in-depth analysis of the hardware architecture, control software core functions, redundant configuration, technical specifications, and engineering application points of the EX2100e 35A/120A regulator system. It helps readers quickly locate problems and optimize system operation during debugging, maintenance, and troubleshooting.

[General Electric] GE VersaMax Nano/Micro Replacement Guide

2026-05-22

This article is based on the latest VersaMax Nano/Micro product selection guide (2023-2024), and from the perspective of engineers, provides a detailed analysis of the technical specifications, expansion unit configuration methods, second port communication options, and the use of portable program download devices (PPDDs) for Micro 14/20/23/28/40/64 models that are still in the "Active" state. At the same time, provide alternative suggestions for discontinued Nano models and common troubleshooting processes to help maintenance teams quickly complete system upgrades or fault recovery.

[General Electric] GE Hydran 201Ti Troubleshooting Practice

2026-05-21

In the operation and maintenance of high-voltage power transformers, online monitoring of dissolved gases in oil has become the core means of preventive fault diagnosis. The Hydran 201Ti intelligent transmitter launched by GE, combined with the 201Ci series controller, has built a highly sensitive and real-time responsive gas monitoring system. This article is aimed at on-site engineers, systematically reviewing the installation points, controller selection, communication network construction of Hydran 201Ti, and focusing on summarizing common faults and their troubleshooting methods to help users ensure stable equipment operation under complex working conditions.