In our previous blog on Dissolve Gas Analysis, we threw the light on basics of DGA like causes of gas formation, types of DGA and various methods used for DGA analysis. In this blog, we will discuss in detail Gas extraction methods and analysis methods. *Photo credit: http://www.vaisala.com Gas extraction from DGA: While conducting a …
The increase in demand for energy has made us enhance the power transformation capacity as well as reactive power compensation requirement. Reliability and availability of important assets play an important role in the smooth operation of a power system. The transformers are vital and expensive assets in a power system hence it is important to …
Continue reading "Importance of Transformer Turns Ratio Test"
Photo credit: https://www.aepgroup.in/ct-pt Instrument transformers are the important equipment of the power system. They are used to serve two main purposes i.e. measurement and protection. The instrument transformers which is used to reduce high currents flowing in power lines to the lower values for measurement and protection are called current transformer. The instrument transformers which …
Continue reading "Primary and Secondary Injection Testing of Instrument Transformers"
Now with SCOPE - OrxaGrid's asset management portfolio, you can do so much more. Introduction Growing distributed generation and the need to have optimal asset management capabilities is leading to new challenges for electricity networks. Electricity networks have transformed from being centralized to distributed, while adapting to the growing needs of customers and service providers. …
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With an increase in demand for electrical energy day by day, electrical installations, structures and systems are also increasing. It is very important to maintain these systems and equipment safely and efficiently. These requirements of the electrical system are fulfilled by the insulating material. The property of insulating material to oppose the flow of current …
Continue reading "Insulation health diagnosis using IR Tester"
In our earlier blog on the transformer, we shared our views on how to detect possible core & winding damage using the Transformer Turns Ratio Meter. The oil which acts as the insulating medium is one of the reasons for internal transformer failure. The oil decomposes mainly due to Thermal, electrical & chemical stress due …
Continue reading "Monitoring the Internal health of Transformer using Dissolve Gas Analyser"
In a previous blog post, we shared our views on the importance of transformer testing and discussed: a) the principles of winding resistance measurement, b) OLTC condition analysis and c) our thoughts on the ideal kit for transformer testing. In this blog post, we will share our knowledge on assessment of possible winding & core …
Over the last twenty years, the telecommunications sector in India has undergone a major revolution. Today, India is the world’s second-largest telecommunications market with a subscriber base of 1.16 billion (Source: India Brand Equity Foundation). Over the next five years, rise in mobile phone penetration and decline in data costs is expected to add 500 …
Continue reading "New Market Story: An Energy Management System For Telecom Corporate Park"
The electrical grid network is oftentimes classified as critical infrastructure. For electrical utilities, any disruption which leads to major downtime is a major source of revenue loss. Furthermore, policymakers today expect network operators to deliver 24/7 electricity to the retail consumers. As a result, it is important that electrical equipment have the highest standards of …
In our previous blog, we discussed the technique of controlled switching, a widely used technique to improve the life expectancy of assets and system stability. We had seen how the life span of reactor and capacitor bank assets can be extended through controlled switching. In this blog post, we will continue our discussion on controlled …
Continue reading "Expanding the life span of Power Transformers through Controlled Switching"
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