EASERGY-P3U30
رله حفاظتی EASERGY-P3U30 ساخت شرکت ESCHNEIDER جهت حفاظت های فیدر- ترانسفورمر – موتور کاربرد دارد .
رله ای که در اینجا قصد معرفی آنرا دارم از نوع Easergy P3U30 می باشد :
این رله که بروزترین رله معرفی شده توسط کمپانی ESCHNEIDER می باشد دارای حفاظتهای زیر است :
Capacitor bank unbalance 51C
Broken conductor 46 I2/I1
Cold load pick-up
Switch ON to fault (SOTF)
Breaker failure 50BF
Directional active underpower 37P
Fault locator 21FL
Recloser 79
Phase undercurrent 37
Excessive starting time, locked rotor 48/51LR
Motor restart inhibition 66
Capacitor overvoltage 59C
Negative sequence overcurrent 46
Overvoltage 59
Undervoltage 27
Positive sequence undervoltage 27P
Earth fault overvoltage 59N
Underfrequency 81/81N
Rate of change of frequency 81R
Synchro-check 25
Lockout relay 86
CT supervision 60
VT supervision 60
H2 detection 68H2
H5 detection 68H5
Programmable stages 99
H5 detection
Programmable curve
همچنین این رله توانایی اندازه گیری پارامترهای زیر را داراست :
Current 3-phase
Current zero sequence
Current positive sequence
Current negative sequence
Current ratio of negative and positive
Voltage phase to earth
Voltage phase to phase
Voltage zero sequence
Voltage positive sequence
Voltage negative sequence
Voltage ratio of negative and positive
Short circuit fault reactance
Fault location current
Earth fault reactance
Frequency
Active power
RMS active power
Reactive power
RMS reactive power
Apparent power
RMS apparent power
Active energy
Reactive energy
Cos φ
Tan φ
Power angle
Power factor
Voltage phasor diagram view
Current phasor diagram view
Current 2nd, 15th harmonics with THD
Voltage 2nd, 15th harmonics with THD
Voltage interruption
Condition monitoring CB wear
نقد و بررسیها
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