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The device for testing relays SVERKER 780

Sverker 780 is used primarily for testing of protective relay equipment, but can also be used for different types of testing and calibrating. Sverker can be used to test all single phase relay equipment in which it is not required to change frequency.

Sverker 780 can also examine three-phase relay protection devices, examining each phase separately. In addition, many protective relay systems that require phase shift can be tested this device.

Relay type:

• Overcurrent relays
• Overcurrent relays with inverse time characteristic
• Undervoltage relays
• Grounding relays
• Directional overcurrent relays
• Directional earth relays
• Overvoltage relays
• Directional voltage relays
• Directed power relays
• Power factor relays
• Differential protection (Differential circuits)
• Spacers protection devices (Stage by stage)
• Overcurrent relays with the negative sequence
• Motor overload protection
• Devices for automatic switching
• Trigger relays
• Regulated voltage relays
• Podimpendance relay (Z less than…)
• Thermal relays
• Relays with a time delay

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