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Recently Published Blogs

Rent the Doble F6150sv When Testing Complicated Relaying Schemes

by Protec Tech Team August 30, 2017

The effective and efficient operation of a power grid is largely dependent on the relay scheme. The importance of this critical electrical component makes it essential to regularly test its health status using high-grade electrical test equipment.

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Test IEC 61850-Based Protection Devices, Schemes With Doble F6150sv

by Protec Tech Team July 10, 2017

Time sensitive information such as protection tripping commands are a high priority and require a quick means of communication. In IEC 61850 environments, the GOOSEs (Generic Object Oriented Substation Events) are the mechanism for delivering status information. Published as multicast messages without being addressed to a specific receiver, this information is then distributed across the network allowing any IED or test set to retrieve it.

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Protec Offers Power Factor Test Sets from Doble, Megger and Omicron

by Protec Tech Team June 29, 2016

Power factor tests compare the capacitive current to the resistive current used by a piece of equipment.  If the capacitive current becomes large in relation to the resistive current, it indicates a potential problem with the insulation.  Insulation breakdown often leads to equipment breakdown.

Protec Equipment Resources offers many power factor test sets for rent. These units apply voltage to the conductors while measuring losses to ground. By comparing the results to historical results, abnormal conditions can be easily identified. Further tests can help determine exactly where the problem exists.  
 
While power factor testing usually involves transformers and breakers, tests can be useful on other types of equipment such as switches, motors and voltage regulators. 

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Rent Electrical Test and Measurement Equipment from Protec Today

by Protec Tech Team June 08, 2016

Each Protec office maintains a full complement of electrical test and measurement equipment. Offering equipment from all of the premiere manufacturers for rent, lease or purchase, Protec has the electrical testing equipment you need to get the job done.

Whether you're in the market for a Micro-Ohmmeter like the AEMC 6250 10A Micro-Ohmmeter, offering output up to 10 Amps, this test set is uniquely designed to conduct tests on both resistive and inductive material, with operator selection directly from the front panel.

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Rent the Doble F6051 Time Synchronizer from Protec

by Protec Tech Team May 17, 2016

The Doble F6051 Time Synchronizer is a compact, IRIG-B time protocol converter for precise time synchronization in accordance with industry and security standards. With the F6051, interior time stamping is possible. 

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Rent Doble M4000 M4100 Power Factor Insulation Analyzer

by Protec Tech Team May 10, 2016

Power factor testing alows for the detection of electrical equipment insulation problems without having to make an internal visual inspection. Thus, significantly decreasing the cost of maintenance and downtime. Power factor testing is one of the best techniques for preventive maintenance.

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Avoid Failure of Protection Systems with Doble F6150

by Protec Tech Team May 09, 2016

Protective relays do not generally perform until a fault or other power system problem requires that they operate to protect the power system elements. With a healthy power system faults or system problems don't occur, and the protection system may not operate for extended periods. A failure of the protection system to operate when needed can result in equipment damage, personnel hazards, and wide area disturbances or customer outages. This is why a maintenance or testing program is necessary to determine the performance and availability of a protection system.

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Perform High Voltage Testing with the Doble M4000 M4100

by Protec Tech Team March 07, 2016

When it comes to performing high voltage testing for power apparatus, transformers or bushing failure, the Doble M4000 M4100 Power Factor Insulation Analyzer offers a comprehensive solution to meet the challenges of accurate and reliable high voltage diagnostics for power apparatus equipment.

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Rent the Doble F6150 for Safe and Reliable Relay Testing

by Protec Tech Team March 07, 2016

Used for testing protection relays and schemes, the Doble F6150 Relay Testing System is capable of performing simple through the most complex tests. The F6150 also allows for comprehensive testing using just a single test unit, without having to carry multiple tools in the field.

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Doble M4000 M4100 Ensures Electrical Safety of Personnel and Equipment

by Protec Tech Team February 22, 2016

The Doble M4000 M4100 Power Factor Insulation Analyzer contains measuring circuits to determine the condition of the insulation under test, as well as direct control safety circuits to ensure electrical safety of personnel and test equipment.

The   Doble M4100 (Doble M4000)  has a time base generator that may be synchronized either with the power system supplying power to the test instrument, or with an internal crystal oscillator. This choice allows the test operator to select one of two modes of test operation, Line Sync Reversal or Line Frequency Modulation.

When Line Sync Reversal Mode is selected, the time base is synchronized to the power source and the test will use the standard Doble polarity reversal technique to reverse the effects of electrostatic interference.

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Doble F6150 Relay Testing System Packed with Features and Benefits

by Protec Tech Team February 22, 2016

Conventional steady-state tests sets are only capable of testing each component of the system individually, therefore it becomes very difficult to predict the behavior of the entire system when subjected to true power system events. This results in performance uncertainties and could be the cause of misoperations.

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The Doble M4000 M4100 Sets the Standard in Power Analysis

by Protec Tech Team February 15, 2016

 The Doble M4000 M4100 is a 12 kiloVolt power analysis test set commonly used in testing bushings, cables and other high voltage equipment. It has an advanced Line Frequency Modulation System that rejects EMI that might affect the test results. This features ensures high accuracy during testing. You can also use optional modules to enhance its testing capabilities.

The Advantages of the Doble M4000 M4100 Power Analysis:

  • Totally eliminates substation signal interference with Doble’s patented Line Frequency Modulation technology
  • Generates its own clean test signal for the most reliable and repeatable results
  • The highest power to better replicate in service condition
  • Self-calibrating in the field, so it’s always accurate
  • Advanced digital technology takes accuracy to new levels
  • Automated setup eliminates errors
  • DobleTest Assistant® (DTA) expert diagnostics software makes testing easy, fast and very smart
  • All records are presented in a format that is easy to read, save and print.
  • DTA Web provides an on-line database of test results, complete with powerful analysis tools.

Diagnostic Capabilities of the M4000 M4100 Power Analysis system:

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Protec Equipment Resources Inc.
National Headquarters
1517 West Carrier Pkwy
Suite 116
Grand Prairie, Texas 75050

Phone: 972.352.5550
Fax: 972.352.5553

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