Thytronic SME2-IS - Residual Overcurrent - 50 N;51 N; Ground Directional Overcurrent - 67 N; ALB Frequency (Automatic Load Balancer)

16
16
SME2-IS - Manual - 06 - 2021
TECHNICAL CHARACTERISTICS
Threshold I>>>>
• Directionality (I>>>> Dir) Directional, Non directional
• Reset delay (t>>>>
RES
) 0.00...100.0 s
• Second harmonic restraint (I>>>>
2ndh-REST
) ON/OFF
Time-independent
• Fourth time-independent threshold (I>>>>
def
) 0.02...3.00 I
n
• Characteristic angle (ThetaP>>>>
def
) 0...359 °
• Tripping time (t>>>>
def
) 0.05...10.00 s
• Tripping sector (Beta I >>>>) 0...90 °
 Residual overcurrent - 50N/51N
Threshold IE>
• Reset delay (t
E
>
RES
) 0.00...100.0 s
• Second harmonic restraint (I
E
>
2ndh-REST
) ON/OFF
Time-independent
• First time-independent threshold (
I
E
>
def
) 0.010...2,000 I
En
• Tripping time (t
E
>
def
) 0.05...30.0 s
Threshold IE>>
• Reset delay (t
E
>>
RES
) 0.00...100.0 s
• Second harmonic restraint (I
E
>>
2ndh-REST
) ON/OFF
Time-independent
• Second time-independent threshold (
I
E
>>
def
) 0.010...2.000 I
En
• Tripping time (t
E
>>
def
) 0.05...10.00 s
 Ground directional overcurrent - 67N
Threshold I
ED
>
• Reset delay (t
ED
>
RES
) 0.00...100.0 s
Time-independent
First time-independent threshold (I
ED
>
def
- U
ED
>
def
)
• Residual current tripping time 0.002...0.032 I
n
• Residual voltage tripping value 0.010...1.000 U
En
• Characteristic angle 0...359°
• Tripping half-sector 1...180°
• Tripping time (t
ED
>
def
) 0.05...30.0 s
Threshold I
ED
>>
• Reset delay (t
ED
>>
RES
) 0.00...100.0 s
Time-independent
Second time-independent threshold (I
ED
>>
def
- U
ED
>>
def
)
• Residual current tripping time 0.002...0.032 I
n
• Residual voltage tripping value 0.010...1.000 U
En
• Characteristic angle 0...359°
• Tripping half-sector 1...180°
• Tripping time (t
ED
>>
def
) 0.05...15.0 s
Threshold I
ED
>>>
• Reset delay (t
ED
>>>
RES
) 0.00...100.0 s
Time-independent
Third time-independent threshold (I
ED
>>>
def
- U
ED
>>>
def
)
• Residual current tripping time 0.002...1.000 I
n
• Residual voltage tripping value 0.010...1.000 U
En
• Characteristic angle 0...359°
• Tripping half-sector 1...180°
• Tripping time (t
ED>
>>
def
) 0.05...1.00 s
Threshold I
ED
>>>>
• Reset delay (t
ED
>>>
RES
) 0.00...100.0 s
Time-independent
• Tripping time (t
ED
>>>>
def
) 0.50...2.00 s
 ALB frequency (automatic load balancer)
Block thresholds
Minimum voltage Ueac<def 0.05 ...1.40 En ( step 0.05 En)
Tripping time tUeac< 0.05 ...9.99 s (step 0.01 s)
10.0 .. 99.9 s (step 0.1 s)
100 ...1000 s (step 1 s)
Maximum voltage Ueac>def 0.05 ...1.40 En ( step 0.05 En)
Tripping time tUeac> 0.05 ...9.99 s (step 0.01 s)
10.0 .. 99.9 s (step 0.1 s)
100 ...1000 s (step 1 s)
Maximum unbalance ULS>def 0.05 ...1.00 Um ( step 0.05 Um)
Reset delay tULS>RES 0.00 ...9.99 s (step 0.01 s)
10.0 .. 100.0 s (step 0.1 s)
Tripping time tULS> 0.05 ...9.99 s (step 0.01 s)
10.0 .. 99.9 s (step 0.1 s)