The test, known as a high voltage breakdown test in India, is used to ascertain the durability and reliability of liquid dielectrics within electrical applications. This test is important, especially in a country that experiences a rapid growth in its industrial and power-generating sectors. Ensuring the safety and efficiency of electrical systems is not merely a matter of regulatory compliance, but also a necessity to sustain the growth trajectory of India’s economy. A high voltage breakdown test constitutes the backbone of quality assurance in the electrical industry, ensuring that all materials comply with the highest safety and performance standards.

Key parameters for testing of liquid dielectrics

The evaluation of liquid dielectrics, including transformer oils, requires a detailed examination of key factors crucial for their high-voltage applications. One of the paramount factors is dielectric breakdown voltage, which serves as a key measure for endurance of material under electrical stress. This measure indicates the highest voltage level that the dielectric can withstand before its insulating properties degrade and its complete failure occurs.

Another vital factor is dielectric strength. It quantifies the electrical resistance of dielectric material relative to its thickness, as well as provides insight into how effectively the material can withstand electrical fields without experiencing a breakdown.

Moreover, the capability of a liquid dielectric to maintain its integrity under various challenging conditions, such as fluctuations in temperature and contamination with impurities, is also stringently evaluated. This aspect of endurance is crucial to the operational reliability of electrical systems, especially in environments with diverse and demanding conditions, including those found in India.

Collectively, these factors play a pivotal role in ensuring that the liquid dielectrics used in high-voltage applications are not only efficient in terms of insulating properties, but also durable to perform consistently over time and in different operational scenarios. Comprehensive examination of these factors is vital for sustaining and enhancing the reliability and efficiency of electrical systems throughout India.

High voltage breakdown test: understanding its concept and procedure 

A high voltage breakdown test in India is used to evaluate the electrical integrity of liquid dielectrics. In essence, this test evaluates how well a dielectric material can withstand high voltage before a breakdown occurs. Conducting this test involves a meticulous process, wherein a gradually increasing voltage is applied to the liquid dielectric. This increase continues up to the point where the dielectric material can no longer resist electrical stress, which leads to a breakdown. The voltage level at which this breakdown occurs is recorded as breakdown voltage. This value is crucial, as it indicates the maximum voltage that the material can withstand, thereby determining its suitability for use in high-voltage electrical applications.

The importance of conducting a high voltage breakdown test in India cannot be overstated. It is not merely about adherence to safety standards, but also about ensuring the durability and efficiency of electrical systems. Given the diverse climatic conditions and various operational environments in India, electrical components, particularly liquid dielectrics, should demonstrate outstanding quality and durability. A breakdown test provides an essential benchmark for these parameters.

High voltage breakdown test in India by GlobeCore

GlobeCore has introduced high voltage breakdown testers in India to meet the demanding requirements of the power-generating sector. The TOR-80, TOR-80A, TOR-100, and TOR-100A models are particularly worthy of note for their precision and reliability in determining the electrical breakdown voltage of transformer oil and other liquid dielectrics. These models comply with international standards, such as IEC 60156, ASTM D877, and ASTM D1816, making them versatile for a wide range of applications.

The TOR-80 and TOR-100 series stand out for their automated and accurate measurement capabilities; these devices are capable of testing breakdown voltages up to 80 kV and 100 kV, respectively. The core technology embedded in these testers comprises electronic modules that ensure precise voltage increases during the test.

The TOR-80A and TOR-100A versions add another layer of functionality with an internal rechargeable battery, which makes them ideal for field testing in remote areas of India, where power sources may be scarce. This feature is particularly useful for on-site testing of transformer oil, critical to timely maintenance and troubleshooting in diverse Indian environments.

Advantages of GlobeCore breakdown testers

GlobeCore testers are highly regarded in the Indian market owing to a broad array of features and advantages:

• Automated and accurate measurements: the testers are designed for automated operation, ensuring consistent and accurate breakdown voltage measurements. This is essential in highly sensitive applications, where minor deviations may lead to serious consequences.
• Instantaneous voltage shutoff: having detected a breakdown, these testers can shut off the test voltage in a matter of 4 microseconds. This rapid response is crucial to protecting both the equipment and the operator from high voltage breakdown hazards.
• Integrated printer and data connectivity: equipped with an integrated printer and USB connectivity, these testers ensure immediate logging of test results and easy transfer of data, which is essential to maintaining accurate records for quality control and regulatory compliance.
• Ease of operation and maintenance: user-friendly design makes these testers accessible and manageable by technical personnel with various levels of expertise.
• On-battery operation for remote testing: a rechargeable battery included in TOR-80A and TOR-100A models extends their scope of application to remote field locations, enhancing the capability for on-site testing.

The high voltage breakdown test in India is a cornerstone for evaluating and ensuring the safety, efficiency, and durability of electrical systems, particularly in the context of liquid dielectrics, such as transformer oils. The TOR-80, TOR-80A, TOR-100, and TOR-100A models by GlobeCore play their part in ensuring the resilience and reliability of the nation’s energy infrastructure. These tests are not merely a matter of regulatory compliance; they are essential to maintaining the consistent growth and ensuring the sustainability of India’s economy.