Weigel WPM-770 V6 F1 P1 Mains-analysis device, Mains analyser 6790012 Data Sheet
Product codes
6790012
Application
The digital Weigel Power Meters WPM 770 have been designed to dis-
play the electrical parameters in low voltage and middle voltage sys-
tems. The meters are suitable for use in 3 - phase 3 - wire or 3 - phase
4 - wire systems 230/400 V and for use with current transformers N/5 A.
play the electrical parameters in low voltage and middle voltage sys-
tems. The meters are suitable for use in 3 - phase 3 - wire or 3 - phase
4 - wire systems 230/400 V and for use with current transformers N/5 A.
Features
D Real-time true-RMS measurement:
D Real-time true-RMS measurement:
Voltages phase to neutral and phase to phase of the 3 phases as well
as mean value, minimum/maximum values, unbalance and deviation
from nominal value; currents of 3 phases and mean value, neutral
current, minimum/maximum values; phase sequence; frequence and
frequence deviation; active power, reactive power, apparent power,
and power factor of the 3 phases and in total
as mean value, minimum/maximum values, unbalance and deviation
from nominal value; currents of 3 phases and mean value, neutral
current, minimum/maximum values; phase sequence; frequence and
frequence deviation; active power, reactive power, apparent power,
and power factor of the 3 phases and in total
D Programmable demand calculation for currents and powers (fixed
block or rolling block, demand time can be set to 5; 10; 15; 30 min)
D Active energy and reactive energy in 4 quadrants (imported/exported,
inductive/capacitive), 4 tariffs for energies in up to 8 periods in 24
hours in 2 time zones, working days and holiday days can be set
hours in 2 time zones, working days and holiday days can be set
D Harmonic analysis of voltages, currents, powers, and energies up to
the 31
st
harmonics as well as total harmonic distortion (THD)
D Built-in clock and event logging
D Alarms for upper and lower setpoints
D 2 relay outputs and 3 status inputs
D RS485 interface (Modbus-RTU)
D Up to 3 optional modules for additional interfaces, additional relay
D Alarms for upper and lower setpoints
D 2 relay outputs and 3 status inputs
D RS485 interface (Modbus-RTU)
D Up to 3 optional modules for additional interfaces, additional relay
outputs and status inputs, pulse outputs, analogue inputs, analogue
outputs, as well as memory extension
outputs, as well as memory extension
Using the four buttons on the front panel, the measured values can be
selected and settings can be programmed.
selected and settings can be programmed.
Functional Principle
WPM 770 is a microprocessor-controlled digital measuring device for
measuring, calculating, and indicating electrical ratings.
measuring, calculating, and indicating electrical ratings.
The meter has 3 voltage inputs and 3 current inputs to enable simulta-
neous evaluation of voltage, current and power for all three phases.
neous evaluation of voltage, current and power for all three phases.
General Technical Data
Case
case details
suitable to be mounted in switch gear panels
material of case
plastics, black
panel fixing
plastic clips
enclosure code
IP 54 front of case
IP 30 rear of case
IP 30 rear of case
insulation voltage
2 kV AC
inputs – outputs – auxiliary supply
inputs – outputs – auxiliary supply
pulse withstand
4 kV (peak), 1.2/50
mS
voltage
insulation resistance
≥50 MW
Terminals
plugable screw-terminal barrier strips
wire-cross section
2.5 mm
2
max.
Dimensions
basic unit
with optional module
bezel
V 96 mm
bezel height
13.5 mm
panel cutout
V 90
+0.5
mm
mounting depth
45.1 mm
66.6 mm
panel thickness
5 mm
weight
approx. 0.4 kg
Electrical Data
system type
3 - phase 3 - wire or 3 - phase 4 - wire system,
unbalanced loads
unbalanced loads
rated voltage
240/415 V directly connected
rated current
N/5 A via CT
CT primary value
adjustable from 1 to 9999 A
overload capacity
current
1.2 times continously
10 times for 1 sec.
10 times for 1 sec.
voltage
1.2 times continously
2 times for 1 sec.
2 times for 1 sec.
rated frequency
50 Hz
frequency range
45 ... 65 Hz
operating voltage
300 V
measurement category CAT III
Display/Measuring/Accuracy
Display
LCD display, 70 mm x 55 mm
with backlight (when pressing a button)
with backlight (when pressing a button)
Measured quantities
(repetition time 1 s)
voltages
U
L-L, L-N and mean value,
unbalance, max./min. values,
deviation recording
unbalance, max./min. values,
deviation recording
currents
I
L1, L2, L3, N and mean value,
max./min. values
max./min. values
frequency
F
frequency, deviation
active power
P
L1, L2, L3, and
SP
reactive power
Q
L1, L2, L3, and
SQ
apparent power
S
L1, L2, L3, and
SS
power factor
PF
L1, L2, L3, and in total
active energy
L1, L2, L3, and in total, imported and exported
reactive energy
L1, L2, L3, and in total, inductive and capacitive
maximum demand for
I
L1
, I
L2
, I
L3
and
SP, SQ, SS
demand time
adjustable to 5; 10; 15; 30 min
individual harmonics for U, I,
SP and energy up to the 31
st
harmonics
total harmonic distortion (THD) for U and I
Measuring unit
Display rangeResolutionAccuracy
voltages directly
0 ... 500 V L-L
0.01 V
0.2%
voltages via VT
0 ... 65 kV primary
currents directy
0 ...1 A/5 A
0.001 A
0.2%
currents via CT
0 ... 9999 A
powers each phase
0 ...
±649.9 M✸
0.1
✸
0.5%
total powers
0 ...
±1949.9 M✸
(
✸ = W/var/VA)
power factor
–1 ... +1 ... –1
0.001
0.5%
frequency
45 ... 65 Hz
0.01 Hz
0.1%
active energy
*
)
0 ... 99,999,999.9 kWh
0.1 kWh
1.0%
reactive energy
*
) 0 ... 99,999,999.9 kVarh
0.1 kVarh
2.0%
unbalance rate
0 ... 100.0%
0.001
1.0%
individual harmonics
0 ... 100.0%
0.001
1.0%
THD
0 ... 100.0%
0.001
1.0%
*
) The accuracy for energy measurement is class 1
according to IEC 62053–21.