| Partial discharge is the name given to an | | | | and partial discharge generators can help you |
| electrical phenomenon which consists in the | | | | locate the problem in time and avoid serious |
| breakdown of an electrical insulation under | | | | financial losses. |
| high voltage levels. If partial discharge | | | | |
| occurs and passes undetected it may have very | | | | Partial discharge may occur in various types |
| serous consequences. The key to preventing | | | | of electrical equipment. For example, |
| any possible problem is early detection. | | | | transformers are vulnerable to these types of |
| Preventive measurements and analysis can help | | | | occurrences and may be permanently damaged if |
| you avoid hazardous breakdowns. Purchase the | | | | the partial discharge is not detected in a |
| best partial discharge motors and partial | | | | timely fashion. Other pieces of electrical |
| discharge generators at | | | | equipment, such as on-load taps, are very |
| | | | likely to fail because of component fatigue, |
| Partial discharge is a very common phenomenon | | | | misalignment, contact wear or overloading. |
| nowadays and the main reason why it occurs is | | | | High voltage bushings are also vulnerable to |
| the aging insulation. Under high voltage | | | | sudden breakdowns and regular bushing |
| levels, the electrical insulation is very | | | | monitoring is highly recommended. Switchgear |
| likely to suffer a breakdown. When this | | | | is another type of electrical equipment which |
| breakdown occurs, the consequences can be | | | | has a tendency to fail after prolonged use. |
| catastrophic. The electric equipment is | | | | The failure usually occurs at the breaker |
| usually destroyed after such an occurrence | | | | level because of the high currents that cross |
| and the financial losses are immense. | | | | through. High voltage cables are also prone |
| Therefore, thorough monitoring can save you a | | | | to failure because they easily become |
| lot of time and money along the way. | | | | deteriorated over time. In order to keep all |
| Measurement and detection equipment such as | | | | of these pieces of electrical equipment |
| partial discharge motors and partial | | | | functioning properly you should thoroughly |
| discharge generators can help you prevent | | | | monitor partial discharge occurrences at all |
| unwanted situations. | | | | times. When choosing a piece of partial |
| | | | discharge detecting equipment, make sure you |
| There are various sources from which a | | | | carefully look at the product specifications |
| partial discharge phenomenon can commence. | | | | so that it fits with your precise |
| For instance, the source of the occurrence | | | | requirements. Specifications such as power |
| can be a connected cable or transformer. | | | | input, range, memory or maximum pulse are |
| Determining the exact source of the | | | | very important. There is also a wide variety |
| phenomenon is crucial because it allows | | | | of special features to choose from, depending |
| corrective measures to be taken immediately. | | | | on the complexity of the task. |
| One commonly utilized method is using | | | | |
| detection coils at the cable's ends which | | | | When discussing high voltage equipment you |
| allow the accurate detection of the trouble | | | | must take into consideration the possibility |
| area. The data obtained with the help of | | | | of a breakdown caused by partial discharge. |
| measurements is usually processed | | | | The phenomenon is very common in aged high |
| immediately, on location. The most reliable | | | | voltage equipment and flawed insulation. If |
| interpretation of the gathered data is the | | | | the problem is left unresolved it will |
| one made by a specialist, as partial | | | | propagate until the equipment is entirely |
| discharge signals can be very confusing to an | | | | destroyed. Replacing damaged equipment is |
| inexperienced interpreter. For instance, if | | | | very costly and can be avoided by constant |
| partial discharge occurs in a resin insulated | | | | and thorough partial discharge monitoring. |
| splice it can be very dangerous as opposed to | | | | You can find all the information you need |
| a discharge which takes place in an oil | | | | about partial discharge motors and partial |
| insulated splice. Partial discharge motors | | | | discharge generators at elec-di. |