Transformer Monitoring

Short Descrption for Transformer Monitoring

Transformer monitoring is the key to ensuring the optimal performance and reliability of your electrical transformers. By continuously supervising essential components like the active part, bushings, tap changer, and cooling system, you can maximize transformer availability and reduce the overall life-cycle cost. GE’s MS 3000 transformer monitoring system provides a holistic and modular solution, offering comprehensive coverage of common failure causes. It integrates data from various sensors, delivering a unified data stream and intelligent insights. This expert system empowers you to confidently assess transformer conditions, optimize operation, and minimize maintenance costs. With web-based accessibility and the ability to integrate with GE’s Perception software, transformer monitoring becomes an essential component of your smart grid strategy.

Detail description

Expert System

Algorithms for analyzing the data acquired online are implemented in the software and reflect GE’s extensive experience with transformers.The expert system highlights issues through configurable alarms and provides clear correlated information as well as recommendations concerning the transformer continued operation, the suggested “next steps” and the need for services and maintenance.

Load

• Load currents (A)
• Over-currents (A)
• Total number of over-currents (A)
• Load factor (A)
• Overload capacity (A)
• Emergency overloading time (A)
• Apparent power (A)
• Active power
• Reactive power
• Transformer power factor (cos φ)
• Transformer losses

Insulation

• Top oil temperature (A)
• Bottom oil temperature
• Calculated hot spot temperature (A)
• Winding temperature
• Moisture in insulation paper (A)
• Bubbling temperature (A)
• Bubbling safety margin (A)
• Breakdown voltage (A)
• Lifetime consumption (A)
• Ageing rate (A)

Oil Analysis

Both off-line and online data can be analysed.DGA using the most common diagnostic tools: Duval’s triangle, Rogers and Doernenburg ratios, Key Gas methods, etc… as per IEEE C57.104 and IEC 60599. Users can select the method most appropriate to their situation. They can also perform Furfural determination and oil condition evaluation according to IEC 60422:

Dissolved Gas Analysis

• Gas in oil content (1 to 9 gases) (A)
• Gas in oil rate of change (A)
• Moisture in oil content (A)
• DGA in OLTC

Bushings

• Operating voltages (C).
• Transient lightening over-voltages (C).
• Total number of over-voltages (C).
• Change of C1 capacitance (C).
• Power factor (tan δ).
• Oil/SF6 pressure/density.

Transient Over-Voltage

  • Detection of fast transient over- voltages (up to 5 MHz) caused by network switching.
  • Capture of full waveform.

On Load Tap Changer

• OLTC position (A)
• Number of switching operations (A)
• Number of operations until service (A)
• Cum. switched load current (A)
• Cum. current until service (A)
• Power consumption of motor drive (B)
• Motor drive current
• Operation timing (B)
• Assessed mechanical condition (B)
• Energy index (B)
• Contact erosion
• Gas in oil content
• Moisture in oil content
• Oil temperature
• Oil temperature differences
• Oil level in OLTC

Environment

• Ambient temperature. (A)
• Ambient humidity.
• Cabinet temperature.

Other measures

• Oil level in main tank.
• Oil pressure.
• Humidity of air inside conservator.
• Gas quantity/gradient in Buchholz relay.
• Other digital and analogue inputs.
• Other parameters on request.

Oil Analysis

Both off-line and online data can be analysed.DGA using the most common diagnostic tools: Duval’s triangle, Rogers and Doernenburg ratios, Key Gas methods, etc… as per IEEE C57.104 and IEC 60599. Users can select the method most appropriate to their situation. They can also perform Furfural determination and oil condition evaluation according to IEC 60422:

Partial Discharge

• Electrical PD.
• UHF PD.

Simulator

The built-in simulator module allows the user to simulate external events or internal transformer events and to study the corresponding effect on the transformer’s behavior. It can be invaluable for weighing up options when faced with a difficult decision but can also be used for training of personnel.

Report Generator

The configurable report generator quickly and easily creates a user-friendly report onthe status of the transformer and of its main components. The report can be created on demand for selected monitored functions over a specified time frame.

RModular monitoring solution for power transformers

The MS 3000 is a globally recognized online monitoring solution with well over 1,000 installations worldwide which benefits from extensive transformer manufacturing DNA. It is a powerful tool that concentrates most of the transformer data available and combines it with sophisticated models, diagnostic algorithms and practical experience to help the user evaluate the health of the transformer, monitor its current performance and optimize its operational efficiency. The MS 3000 is modular and highly configurable so that it can accommodate a wide range of specifications or customer requirements surrounding monitoring of the 6 main areas responsible for the failure of power transformers. Standard configurations are also available to cover typical requirements. Its wide range of communication options facilitates connection to SCADA systems, data historians and Asset Performance Management (APM) systems. All this is provided by a single vendor with extensive transformer manufacturing and monitoring experience, which supports the customer from conception to deployment, ensures that the solution meets expectations and stands by it for the long term.

 

HMI

The Web server built into the MS 3000 provides web pages in several languages which can be accessed using a standard web browser. The key data overview screen will highlight any alarm and enable to drill down into more specific data. When part of a transformer fleet, integration with GE’s Perception software** enables centralized information, leveraging of fleet data and fleet health ranking.

Sophisticated Modelling

With a multitude of sensors constantly delivering refreshed online data, the MS 3000 uses sophisticated models to analyse all this data, correlate it when additional sources are available and convert the data into actionable information in order to enable the asset owner to get the most out of the transformer.

In an increasingly interconnected and technology-driven world, the uninterrupted flow of electricity is crucial for sustaining modern life. At the heart of power distribution networks, electrical transformers play a pivotal role in ensuring a steady and reliable power supply to homes, industries, and businesses. However, as transformers age, they become vulnerable to various issues that can disrupt power distribution, lead to costly downtime, and affect critical equipment. This is where transformer monitoring steps in, offering a comprehensive solution for asset owners to ensure the reliability, performance, and longevity of these essential components.

Faced with mounting pressure to enhance network availability and reliability, asset owners are increasingly seeking ways to extend their monitoring reach and continuously improve the performance of their transformers. While traditional monitoring techniques, such as Dissolved Gas Analysis (DGA), have been effective, they are now being complemented and expanded with more advanced methods. One such innovative approach is GE’s MS 3000 transformer monitoring system, a holistic and modular solution designed to provide comprehensive coverage of the most common causes of transformer failure.

The Importance of Transformer Monitoring

Electrical transformers are intricate devices consisting of several critical components, including the active part, bushings, tap changer, and cooling system. These components work together to ensure the efficient transformation of electrical energy. Any malfunction in these components can result in unexpected downtime, costly repairs, and potential damage to other connected equipment. To address this challenge and meet the growing demand for uninterrupted power supply, asset owners are now focusing on transformer monitoring as a strategic solution.

Key Benefits of Transformer Monitoring

  1. Continuous Supervision of the Entire Transformer: Transformer monitoring systems, like GE’s MS 3000, offer real-time and uninterrupted supervision of the entire transformer. By continuously collecting data from various sensors, these systems provide a holistic view of the transformer’s condition. This continuous oversight ensures that asset owners are always informed about the health and performance of their transformers.

  2. Modular Coverage: GE’s MS 3000 allows asset owners to choose the level of monitoring that best suits their specific needs. From essential monitoring to comprehensive coverage of potential failure modes, this modular approach ensures that asset owners can tailor the system to their precise requirements.

  3. Centralized Information: A significant advantage of transformer monitoring is the ability to access all essential information from a centralized system. Whether you are monitoring a single transformer or an entire substation with multiple transformers, you can conveniently access vital data from a centralized location. This simplifies decision-making and streamlines the management of multiple transformers.

  4. Expert System: The MS 3000 goes beyond simple data collection; it is an “Expert System.” This means it utilizes advanced analytics and models to comprehensively assess the transformer’s condition. This not only aids in early fault detection but also provides valuable insights and suggested operational steps, making it a critical asset for asset owners.

  5. Cost Efficiency: By preventing unexpected failures and minimizing downtime, transformer monitoring systems contribute to the optimal operation efficiency of transformers. This results in significant cost savings, both in terms of repair expenses and the overall life-cycle cost of transformers.

  6. User-Friendly Web Interface: The MS 3000 is equipped with a user-friendly web server Human Machine Interface (HMI). This eliminates the need for complex software installations, and asset owners can access data analysis and insights conveniently through a web browser, simplifying system management.

  7. Integration with Smart Grid and Digital Substations: In a world where digital transformation is reshaping industries, transformer monitoring systems like the MS 3000 easily integrate with smart grids and digital substations. This ensures seamless inter-operability with modern grid infrastructure, enabling asset owners to leverage advancements in power distribution and grid management.

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Where do we have clients and supply our Transformer Monitoring ?

IndiaUnited Arab EmiratesUganda
NepalIsraelTanzania
VietnamEgyptAngola
PhilippinesYemenKambia
IndonesiaTurkeyMalawi
MalaysiaSudanBotswana
South KoreaAlgeriaSouth Africa
OmanMonacoZimbabwe
IranNigeriaCambodia
Saudi ArabiaEthiopiaAustralia
NamibiaGreeceUSA

Advantages of Transformer Monitoring: Ensuring Reliability and Efficiency

Transformer monitoring is the key to ensuring the optimal performance and longevity of critical electrical transformers. As the demand for reliable power supply continues to rise, asset owners are increasingly recognizing the value of continuous monitoring solutions. By investing in transformer monitoring systems, asset owners can benefit from a wide range of advantages that help them achieve their goals of enhancing reliability and efficiency in power distribution.

1. Early Fault Detection and Prevention: Transformer monitoring systems are equipped with advanced sensors and analytics that can detect even the slightest irregularities in a transformer’s operation. This early detection enables proactive maintenance and the prevention of catastrophic failures, minimizing downtime and costly repairs.

2. Improved Reliability: Continuous supervision and real-time data analysis contribute to improved transformer reliability. Asset owners can trust that their transformers are operating optimally and providing uninterrupted power to consumers.

3. Cost Savings: The early detection of faults and predictive maintenance capabilities result in significant cost savings. Asset owners can avoid expensive emergency repairs, reduce downtime, and extend the life cycle of their transformers, effectively managing their budgets and resources.

4. Comprehensive Coverage: Transformer monitoring systems provide comprehensive coverage, including the active part, bushings, tap changers, and cooling systems. This broad monitoring scope ensures that all critical components are accounted for, reducing the risk of overlooked issues.

5. Simplified Decision-Making: Centralized information and expert analysis make decision-making easier for asset owners and operators. By having all essential data at their fingertips, they can make informed choices, prioritize maintenance tasks, and optimize the operation of transformers.

6. Integration with Modern Grids: Transformer monitoring systems easily integrate with modern smart grids and digital substations. This compatibility enables asset owners to leverage advancements in grid management, enhancing grid stability and efficiency.

7. Reduction in Life-Cycle Costs: Preventing unplanned failures and adopting a proactive maintenance approach substantially reduces the life-cycle costs of transformers. Asset owners can allocate their resources more efficiently and invest in transformer health rather than costly emergency interventions.

8. Minimal Downtime: By detecting faults before they escalate, transformer monitoring systems minimize downtime. This is critical for industries and businesses that rely on a consistent power supply to maintain their operations.

9. User-Friendly Interface: Transformer monitoring systems typically feature user-friendly web interfaces, eliminating the need for complex software installations. This accessibility allows users to conveniently access data and insights through a web browser.

10. Enhanced Transformer Performance: Monitoring systems play a pivotal role in optimizing transformer performance. By identifying inefficiencies or areas of improvement, asset owners can fine-tune their transformers to operate at peak efficiency.

11. Sustainable and Reliable Power Supply: Transformer monitoring contributes to the sustainability of power supply. It ensures that electricity is reliably delivered, minimizing disruptions and enhancing the quality of life for consumers.

12. Improved Safety: Monitoring systems enhance the safety of transformers and the surrounding environment. By identifying potential issues early, they reduce the risk of accidents or environmental damage caused by transformer failures.