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Vanguard EZCTs Play Important Role in Protection of Electrical Power Systems

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Current transformers play an important role in the protection of electrical power systems. They provide the protection relay with a ratio of the primary current so it can operate according to its settings. The transformation of the current values from primary to secondary must be accurate during normal and especially during fault conditions on the primary side.

The Vanguard EZCTs are microprocessor-based, current-transformer test sets. These rugged and portable test sets can perform the current transformer (CT) excitation, CT current-ratio, and winding polarity tests. Current transformers can be tested in their field-mounted configuration, eliminating the need to remove bushings or current transformers from the host equipment.


Vanguard_Ezct-10EZCT-10 Automatic CT Test Set

• Perform Saturation, Ratio and Polarity Tests
• Fully Automated
• Comprehensive Graphic and Tabulated Test Reports
• Plot Multiple Saturation Curves
• Store 64 Records (of 10 Saturation Curves)
• Computer Interface

 

Vanguard_EZCT-2000aEZCT-2000A Automated CT Test Set

• Perform Saturation, Ratio and Polarity Tests
• Perform CT Winding Resistance Test
• Fully Automated
• Test record header information including company, substation name, circuit ID, manufacturer, CT serial number, operator name, and test record-comments
• Plot Multiple Saturation Curves
• Store 140 Records (of 10 Saturation Curves)
• Computer Interface
• USB Flash drive interface

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Vanguard_EZCT-2000bEZCT-2000B Automated CT Test Set

• Performs CT excitation, current-ratio, polarity, and phase angle tests
• Measures insulation resistance and winding resistance of the CT seconday windings
• Measures the CT’s secondary burden
• Test record header information including company, substation name, circuit ID, manufacturer, CT serial number, operator name, and test record-comments
• Built-in 4.5-inch wide thermal printer
• Plot Multiple Saturation Curves
• Stores up to 128 CT test plans
• RS-232C, USB, USB Flash drive interface

 

Vanguard_EZCT-2000cEZCT-2000C Plus Automated CT Test Set

• Performs CT excitation, current-ratio, polarity, and phase angle tests
• Measures insulation resistance and winding resistance of the CT seconday windings
• Measures the CT’s secondary burden
• Test record header information including company, substation name, circuit ID, manufacturer, CT serial number, operator name, and test record-comments
• Built-in 4.5-inch wide thermal printer
• Plot Multiple Saturation Curves
• Stores up to 128 CT test plans and 140 test records internally
• USB, Bluetooth, and USB Flash drive interface

 

With offices in Texas, Illinois and New Jersey, Protec offers a full stocks of electrical test and measurement equipment, with rental options that work for you.



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Vanguard_Ezct-10EZCT-10 Automatic CT Test Set

 

 

 

VanguardEZCT2000aEZCT-2000A Automated CT Test Set

 

 

 

 

VanguardEZCT2000bEZCT-2000B Automated CT Test Set

 

 

 

VanguardEZCT2000cEZCT-2000C Plus Automated CT Test Set