Application and Operation Principles

GT type reactive power control relays are designed in conformity with the automated systems and do not contain any adjustment button on its panel.
Operating system is based on cos value of which is in between 0.95 and 1.
It switches on capacitor if cos value is less than the value of 0.95 however it swiches off the capacitor if cos value is greater than of 1.
Time delay is 14 sec. for switching on capacitor and 5 sec. for switching off capacitor.
Selection of capacitor must be followed from the minimum values of 1-1.5 Kvar to the multiple values of 1-2-4-8-16
In no load or minimum load conditions where cos value is not in between 0.95 and 1, 1st step capacitor will work like a joker capacitor in a way to switch on and off capacitor within the defined time delay duration. Hence, 1st capacitor should be in the minimum values.
On the front panel: cos value indicator , Stepping light, Normal, Inductive and capacitive LED's are displayed.
“Error Warning” in text is displayed in case of current and/or voltage signals can not reach at the unit.

Technical datas

• Supply Voltage : 220 V - 240V AC 50 Hz
• Currunt Transformer : ......../5A.
• Relay Output : 220V AC -5A
• Sensitivity : +% 0,1
• Operation Temperature : -40C ... +55C
• Net Weight : RKR-3GT 1055 gr,
• RKR-5GT 1200 gr,
• RKR-7GT 1225 gr,
• RKR-9GT 1375 gr
• RKR-11GT 1400 gr,
• RKR-13GT 1425 gr

Cos Current ,Voltage Measurement and Display, Over Voltage Protection

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