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Recently Published Blogs

AC Hipots and VLF AC Hipots Part of Protec's Rental Equipment Catalog

by Protec Tech Team July 06, 2017

Offered in either power frequency (50/60 Hz) or Very Low Frequency (VLF) models, AC hipots are capable of testing multiple types of substation apparatus, such as; motors/generators, isophase bus, and other loads requiring an AC withstand test.

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Now Part of Protec's AC Hipot Rental Inventory, High Voltage PFT-652CM

by Protec Tech Team January 10, 2017

The High Voltage PFT-652CM 65kV 2kVA AC Hipot is a Dielectric Test Set that provides continuously adjustable AC voltage.Contact Us Now

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Rent the HV Diagnostics TD90-MC Tan Delta System from Protec Today

by Protec Tech Team July 28, 2016

The HV Diagnostics TD90-MC 90kV Portable Tan Delta Measurement System is an easy to use, single piece, Digital Signal Processor based, field portable, fully automatic VLF (Very Low Frequency) high voltage measurement instrument developed for the high potential measuring of the insulation dielectrics of various types of electrical apparatus.

The HV Diagnostics TD90-MC is a versatile high voltage tan delta measuring system suitable for testing medium voltage electrical insulation systems such as cables (including: XLPE, PE, EPR, PILC etc.), capacitors, switchgear, transformers, rotating machines, insulators and bushings.

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HV Diagnostics HVA90 Now Available for Rent from Protec

by Protec Tech Team June 15, 2016

The HV Diagnostics HVA90 90kV VLF / DC High Voltage Test Instrument features the ability to test MV and Sub Transmission class cables including 69kV cable and below. The HV Diagnostics HVA90 not only produces some of the highest VLF AC voltages available, but it also has a very powerful output capability, facilitating the testing of long cables.

Setup of the HVA90 is simple and automatic with no cumbersome interconnecting of various modules. Automatic test sequences can be setup directly on the instrument or on the supplied HVA Control Center software, and test reports are downloaded to the instrument’s internal memory or to a USB flash drive.

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Rent the SKF (Baker) Static Motor Analyzer AWA-IV/12 from Protec

by Protec Tech Team March 22, 2016

Weak motor insulation often degrades to the point of causing premature and unexpected motor failure, which in turn can result in costly unplanned downtime of production machinery. The SKF (Baker) 12kV Static Motor Analyzer AWA-IV/12 is a fully-automated motor analyzer that automatically performs repeatable, user-programmable tests to thoroughly assess the strength of a motor’s insulation and circuit. The SKF AWA-IV/12 also used to assure quality of motor rebuilds or new production motors before they are placed into service.

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Acceptance and Maintenance Testing of Medium Voltage Cable

by Protec Tech Team March 15, 2012

Megger CB-360-DC/CB-120-DC DC Circuit Breaker Test SetsOver the years there have been several methods and/or philosophies regarding the testing of underground electrical power cable. The Insulated Conductor Committee of the IEEE Power Society has divided these methods or philosophies into two fundamental categories, Type 1 Field Tests and Type 2 Field Tests. 

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AC, DC and VLF Hipot Tests

by Protec Tech Team November 23, 2011

High Voltage VLF-65E 65kV VLF TesterThe purpose of hipot or high potential and voltage testing is to measure isolation to ensure that current cannot flow from an isolated point to another circuit. If the circuits pass the test, it means that there is high resistance for your electrical system to operate properly. This process is to make sure that electrical circuits are safe and won't cause any damage to your home or appliances. Your electrical system will pass this test if there is no leak detected by the cable. Minimal leaks sometimes happen, but the electrician will assess for you if it is still safe or something needs to be repaired.

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3 Factors to Consider When Choosing VLF Hipot Testing Equipment

by Protec Tech Team November 15, 2011

vHigh Voltage VLF-65E 65kV VLF TesterWhen choosing between different models of VLF hipot test equipment, there are a few things to keep in mind. Not only should the system’s specifications be considered such as voltage and power, but attention must also be given to the unit’s actual design, waveform output and maker as well.

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AC Hipot Testing to Prevent Electrical Failures

by Protec Tech Team September 28, 2011

Adwel HVA40-10 High Voltage AC HipotInsulation problems are one cause of electrical equipment damage and electrical fires, an revenue may be lost due to power interruptions and equipment replacements. Avoid these problems through regular preventive maintenance.

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Accurate DC Hipot Test Equipment from Protec

by Protec Tech Team August 29, 2011

Megger CB-360-DC/CB-120-DC DC Circuit Breaker Test SetsFor accurate DC hipot test readings, it is necessary to follow proper procedures for safety and reliable test results. 

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A Smart Way to Keep Electrical Maintenance Costs at the Minimum

by Protec Tech Team April 29, 2011

Megger DLRO10HD 10A Digital Low Resistance OhmmeterRenting is a smart way to reduce costs on electrical maintenance and clutter in your equipment storage area, because you do not have equipment to keep and maintain. Many think that renting is not reliable in emergency situations because it takes time before you receive equipment. However, there are companies that offer same day delivery so you can immediately do repairs within the day. 

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A Safer Testing Method for Motor Winding Insulation

by Protec Tech Team April 21, 2011

Megger MIT1525 15kV Insulation Resistance TesterBad insulation on motor windings can affect their performance and other equipment. The windings can short out or draw too much current from the power supply if undetected. You should test the windings regularly to detect issues that are just starting and let you correct the problem before it even causes the motor to fail.

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