One of the biggest risks when operating a thermal power plant is uncontrolled partial discharge. At that time, potential problems for the plant can be fire, insulation degradation, grid overload, even equipment shutdown. Therefore, early detection and prevention of damage by PD monitoring solutions are considered as important priorities.
Partial Discharge (PD) monitoring plays a very important role in monitoring the insulation quality of generator and motor stator windings in thermal power plants, in order to record discharge data. by the time. When there is a significant increase in the PD pulse, breaking the trendline that has existed for a long time in operation, these data are used as the basis for maintenance, maintenance and repair according to the condition of the equipment. to reduce costs and maximize the revenue and output of the factory.
Benefits of installing a PD monitoring and analysis solution for thermoelectric generators and engines:
The set of equipment to install the PD system for thermoelectric generators and engines includes:
Sensor EMCs – 80 pF
Data Collector TGA-B
PD View and IAM software are installed on the computer connected to the measuring device, analyze and report the PD status in the stator winding with high accuracy.
The service collects and analyzes PD data periodically with a frequency depending on the actual condition of the thermoelectric generator and the engine being monitored.
Step 1: Survey and determine the locations where EMC sensors and junction boxes need to be installed.
Step 2: Make a construction plan to install the equipment at the surveyed locations.
Step 3: Connect and calibrate the signal, ensuring it is correct according to the company’s noise filtering technology.
Step 4: Get data from the junction box to the TGA-B collection device, connect it to a computer with the company’s specialized software installed to provide PD analysis.
During PD monitoring, there are a lot of noise signals coming from many sources, which can be from inside the transmitter, or also from outside the system, so PD analysis becomes very difficult. Therefore, noise separation filtering technology when monitoring and analyzing data about PDs of brands becomes a separate quality and value standard.
For thermoelectric generators and motors, based on the bus duct length, it is possible to choose to use one or a combination of many condenser sensors together, combined with high-tech data acquisition equipment. dedicated to can eliminate most types of interference and retain only the PD signal for machine condition analysis. The characteristic of the PD pulse is that the surge time current pulse is particularly fast and lies mainly in the frequency range of 50 – 250 MHz, while the large and high amplitude disturbances are located in the frequency range below 20 MHz.
Iris Power specializes in researching and applying leading and famous PD Online and Offline monitoring solutions around the world. Applied to a PD monitoring solution, Iris Power designs and manufactures sensors (Epoxy-Mica Capacitors – EMCs) and measuring instruments (TGA-B) that can successfully remove interference from PD pulses efficiently. And especially, users can perform PD test, analyze results quickly after only 2 days of training.
S5T is currently the only dealer in Vietnam authorized to distribute PD surveillance systems provided by Iris Power. We are proud that individuals, organizations and businesses all have the experience and capacity to bring the best values to customers:
For detailed advice on each periodical online PD monitoring solution suitable for factories, equipment… Please connect with us by sending a request to the mailbox, or contact us at the following address:
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