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The Sverker 760 Relay Test Unit is the engineers toolbox. The Sverker 760 features many functions that make relay testing more efficient, for example, it's powerful measurement section can display (in addition to time, voltage and current) Z, R, X, S, P, Q, phase and cos.
The voltmeter can be used as a second ammeter. You can also test directional protective equipment efficiently by means of the built-in variable voltage source. The Sverker 760 also has a continuous phase shift function. The 760 is designed to comply with EU Standards and other personal and operational safety standards, Sverker 750 is also equipped with a Serial Port for communication to a PC. (PC software required)
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Sverker 760 Specifications (PDF)
(documents are in PDF format and will open in a new window)
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Applications
- The model 760 is intended primarily for secondary testing of protective relay equipment. Virtually all types of single-phase protection can be tested.
- The 760 is able to test three-phase protection that can be tested one phase at a time, and also a number of protective relay systems that require phase shifting. Moreover, automatic reclosing devices can be tested.
- Plotting excitation curves.
- Current and voltage transformer ratio tests.
- Burden measurement for protective relay test equipment.
- Impedance measurement.
- Injection Maintained: Injection continues without any time limitation.
- Injection Momentary: Inject continues only as long as the button is kept depressed.
- Maximum Time: Injection stops automatically when the preset maximum time is reached.
- Filtering: When filtering is selected, five successive readings are averaged.
- Off Delay: The turning off of generation can be delayed after tripping throughout a specified time interval that is expressed in mains-frequency cycles.
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