Gescel – Gestión y Sistemas de Calidad Eléctrica S.A.C.

Analizador de redes Clase A PQM 702

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Power quality analyzer

Codigo Gescel: 10601004
ANALYZER MEASURES AND RECORDS ACCORDING
TO THE IEC 61000-4-30
CLASS A STANDARD

  • Power to the analyzer is supplied from tested mains (internal power supply) and is used in all types of networks from 64 V to 760 V.
  • With particular emphasis on measurements at low voltage poles, due to the ease of connection.
  • Has an independent power supply socket, especially suited for voltage measurements for transformers and DC circuits.
  • Remote control and data transfer through a built-in GSM modem (GPRS).
  • Anti-theft feature – SMS notification in the event of position change – built-in GPS receiver.
  • Real-time clock synchronized to GPS protocol.

Especificaciones

Possible measurements:

  • Measurements according to EN 50160
  • Voltage L1, L2, L3, N-PE
    – average, minimum, maximum and instantaneous values, range to 760V, ability to work with voltage transformers,
  • Current L1, L2, L3, N (four inputs)
    – average, minimum, maximum and instantaneous values, measurement current with range to 3 kA (depends on used clamp), ability to work with current transformers,
  • Crest factor for voltage and current,
  • Frequency from 40Hz to 70Hz ,
  • Active, reactive, distortion, apparent power, including the type of reactive power (capacitive, inductive),
  • Power recording:
    – Budeanu method,
    – IEEE 1459,
  • Active, reactive, apparent energy,
  • Power factor, cos?, tg?,
  • K factor (transformer overload caused by the harmonics),
  • Up to 50th harmonics for voltage and current,
  • Total Harmonic Distortion (THD) for voltage and current,
  • Short-term (PST) and long-term (PLT) flicker,
  • Unbalance of voltage and current,
  • Current events detection including waveforms recording,
  • Current and voltage waveforms recording after each averaging period.

 The device is designed to work with networks:

  • with nominal frequency 50/60Hz,
  • with nominal voltage:
    64/110 V; 110/190 V; 115/200 V; 127/220 V; 220/380 V; 230/400 V; 240/415 V; 254/440 V; 290/500 V; 400/690 V,
  • DC network

Supported networks:

  • single-phase,
  • two-phase with common N conductor,
  • three-phase star connection with and without N conductor,
  • three-phase delta.

 

Specification Range Resolution Accuracy

AC
voltage
(TRMS)

0,0…760,0 V 0,01 % Un ±0,1% Un
Crest
Factor
Voltage 1,00…10,00
(?1,65 for
voltage 690 V)
0,01 ±5%
Current 1,00…10,00
(?3,6 Inom)
0,01 ± 5% m.v.
AC
current
TRMS
depends on
the clamp*
0,01 % of nominal range ±0,1% of nominal
range
(add clamps
accuracy)
Frequency 40,00…70,00 Hz 0,01Hz ±0,01 Hz
Active,
reactive,
apparent
power
and
distortion
depends
of configuration
(transformers,
clamp)
up to 4
decimal places
depends
on configuration
(transformers,
clamp)
Active, reactive apparent energy depends
of configuration
(transformers,
clamp)
up to 4
decimal places
the same
as above
cos?
and Power
Factor (PF)
0,00…1,00 0,01 ±0,03
tg? 0,00…10,00 0,01 depends on Active
and Reactive
power accuracy
Harmonics Voltage same as for AC
voltage TRMS
same as for
AC voltage TRMS
±5% Uh
for Uh ? 1% Un
±0,05% Un
for Uh < 1% Un
Current same as for AC
current TRMS
same as for
AC current TRMS
± 5% I
for Ih ? 3% In
± 0,15% In
for Ih < 3% In
Total
Harmonics
Distortion
Voltage 0,0..100,0% 0,1% ±5%
Current ±5%
Harmonics
active
and
reactive
power
depends on configuration
(transformers,
clamp)
depends
on current
and voltage
minimum value

Angle
between
voltage
and current
harmonics

-180,0…+180,0o 0,1o ±(h x 1o)
K-Factor 1,0…50,0 0,1 ±10%
Flicker 0,20…10,00 0,01 ±5%
Unbalance Voltage and Current 0,0…20,0% 0,1% ±0,15%
(absolute error)

*Clamp F-1/F-2/F-3:0..3000 A (10000 Ap-p) *Clamp C-4: 0..1000 A (3600 Ap-p)*Clamp C-5: 0..1000 A (3600 Ap-p)*Clamp C-6: 0..10 A (36 Ap-p) (without current transformers) *Clamp C-7: 0…100 A (360 Ap-p )

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