Technical Data; Three-Phase Thermal Protection For Feeders, Cables And Distribution Transformers T1Pttr; Identification - ABB RED615 Technical Manual

1YHT530004D05 D
4.1.4.11
4.1.5
4.1.5.1
615 series
Technical Manual

Technical data

Table 229: DPH3xPDOC Technical data
Characteristic
Operation DPH3LPDOC
accuracy
DPH3HPDOC
1)2)
Start time
I = 2 x set
Fault
Start value
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time
mode
Operate time accuracy in inverse time
mode
Suppression of harmonics
Measurement mode and Pol quantity = default, current before fault = 0.0 x I
1)
1.0 x U , f = 50 Hz, fault current in one phase with nominal frequency injected from random phase
n n
angle, results based on statistical distribution of 1000 measurements.
2) Includes the delay of the signal output contact.
3) Maximum Start value = 2.5 x I
Three-phase thermal protection for feeders, cables and
distribution transformers T1PTTR

Identification

Function description
Three-phase thermal protection for
feeders, cables and distribution
transformers
Value
Depending on the frequency of the current measured: f
Hz
Current: ±1.5% of the set value or ±0.002 x I
Voltage: ±1.5% of the set value or ±0.002 x U
Phase angle: ±2°
±1.5% of set value or ±0.002 x I
of 0.1...10 x I )
n
±5.0% of the set value (at currents in the range of 10...40 x
I )
n
Voltage: ±1.5% of the set value or ±0.002 x U
Phase angle: ±2°
Minimum
38 ms
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
RMS: No suppression
DFT: -50 dB at f = n x f
Peak-to-Peak: No suppression
Peak-to-Peak + backup: No suppression
, Start value multiples in range of 1.5 to 20.
n
IEC 61850

identification

T1PTTR
Section 4
Protection functions
n
n
(at currents in the range
n
n
Typical Maximum
40 ms 43 ms
3)
, where n = 2, 3, 4, 5,...
n
, voltage before fault =
n
IEC 60617 ANSI/IEEE C37.2
identification device number
3lth> 49F
±2
n
225