PQM-711
Power quality analyzer

Name: Power quality analyzer
Brand: Sonel
SKU: S68-WMGBPQM711BTW
Availability: OutOfStock

Index cat. WMGBPQM711BTW

ean 5907624029088

Ingress protection: IP 65

Measurement category: CAT III 1000 V, CAT IV 600 V

Data transmission: GSM, USB, Wi-Fi

Display: graphic, color, backlit

unavailable

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The analyzer replaces the PQM-703 unit.

Class A remote analysis

The Sonel PQM-711 versatile power quality analyser for remote analysis in the A class is a device suitable for use on all types of networks with a rated voltage range from 110 V to 1000 V either directly or indirectly through transformers.

Based on advanced technology, the Sonel PQM-711 power quality analyser allows comprehensive measurement, analysis and recording of 50/60 Hz power network parameters and power quality according to the European standard EN 50160.

Features

Remote control and data transfer through a built-in GSM modem.
Anti-theft feature – SMS notification in the event of position change (built-in GPS receiver).
Real-time clock synchronized to GPS protocol.
Remote control of the analyzer via software: Sonel Analysis (Wi-Fi and GSM for Windows) or Sonel Analysis Mobile (Wi-Fi for Android).

Measured parameters

Transients up to ±8000 V with max. sampling frequency 10 MHz. Minimal transient time is 650 ns (only PQM-711)
Voltages L1, L2, L3, N, PE (five measurement inputs) – average, minimum, maximum and instant values within the range up to 1000 V, interoperability with voltage transducers.
Currents L1, L2, L3, N (four measurement inputs) – average, minimum, maximum and instant values, current measurement within the range up to 6 kA (depending on applied current clamp), interoperability with current transducers.
Measurement of control signals up to 3000 Hz.
Crest factors for current (CFI) and voltage (CFU).
Frequency within the range of 40 Hz – 70 Hz.
Active power (P), reactive power (Q), distortion power (D), apparent power (S) with identification of the nature of reactive power (capacitive, inductive).
Calculation of reactive power using the Budeanu method and IEEE 1459 method.
Active energy (E_P), reactive energy (E_Q), apparent energy (E_S).
Power factor, cosφ, tanφ.
K factor (transformer overload caused by the harmonics).
Up to 50th harmonics for voltage and current.
Interharmonics measured as groups.
Total Harmonic Distortion (THD) for voltage and current.
Short-term (P_ST) and long-term (P_LT) flicker (IEC 61000-4-15 class A).
Unbalance of voltage (IEC 61000-4-30 class A) and current.
Current events detection including waveforms recording.
Current and voltage events recording with waveforms (up to 1 s) and RMS1/2 graphs with 30 s maximum recording time.
Current and voltage waveforms recording after each averaging period.

Wide range of mains to analyze

With rated frequency 50/60 Hz
With rated voltages: 64/110 V;110/190 V; 115/200 V; 120/208 V 127/220 V; 133/230 V; 220/380 V; 230/400 V; 240/415 V; 254/440 V; 265/460 V; 277/480 V; 290/500 V; 400/690 V; 480/830 V (for systems with N conductor)
Direct current
Systems:
- single-phase
- split-phase with common N
- three-phase – WYE with and without N conductor
- three-phase – Delta
- three-phase – 2-element WYE without N conductor (Aron/Blondel)
- three-phase – 2-element Delta (Aron/Blondel)
- with current and voltage transducers

Capabilities

PQM-711 has a built-in GPS receiver ensuring real time clock accuracy and an integrated GSM modem that facilitates remote analyzer operation. Furthermore, PQM-711 is also equipped with a transient recorder (sampling frequency 10 MHz, voltage range up to ±8000 V).

An additional trump card of the analyzer is the built-in Wi-Fi communication module, providing a number of advantages: no restrictions on file transfer, no data transfer costs, use of local wireless infrastructure... This gives the user the opportunity to adapt to the conditions prevailing on the site. They can supervise measurements from a convenient location – for example, an area without electromagnetic interference – using a laptop, smartphone or tablet.

Displaying data

PQM-711 can be operated using a touch screen computing device equipped with Sonel Analysis software (Windows) or Sonel Analysis Mobile app (Android). The user can supervise the measurements and conduct diagnostics while maintaining mobility – he doesn’t even have to be near the analyzer. In typical applications, the device plays the role of a remote display and an intermediate storage of measurement data with the functionality of a router. Therefore, the user can also connect to it using a wireless network – for example, to transfer the collected registrations to a desktop computer.

Application

PQM-711 is widely used in the professional power industry. It provides full 4-quadrant analysis, meeting the needs of energy consumers and producers, such as renewable energy, including photovoltaic and wind farms. It enables forecasting failures in distribution networks. It provides analysis of the load capacity of networks and transformers, as well as recording their current states. In addition, it is powerful investment tools. Thanks to PQM-711, the user will obtain the necessary data for development of power infrastructure, predict potential problems, and finally – verify the correctness and quality of implementation.

SONEL ANALYSIS

Sonel Analysis software – application delivered as standard accessory, indispensable for working with PQM-series analyzers. Depending on the mating instrument used, the software enables:

analyzer configuration,
data reading from logger,
preview of network parameters in real time (with capability of reading via GSM modem),
deletion of data in the analyzer,
data presentation in tables,
data presentation in charts,
data analysis and generating reports in compliance with standard EN 50160 (reports) and other user defined reference conditions - also for PV micro-installations up to 50 kW, a breakdown for active power states P>0, P<0 and P=0 and taking into account the graphs Q₁=f(U₁/U_n) and cosφ=f(P/P_n),
independent support of multiple analyzers,
analyzer firmware updates.

The software enables readout of selected parameters and their visualization in real time. These parameters are measured independently from the registration saved on the memory card. The user can view:

charts of voltage and current progression (oscilloscope),
charts of voltage and current over time,
phasor diagram,
measurements of multiple parameters,
harmonics and harmonic powers (estimating the direction of harmonics),
interharmonics.

Parameters

Parameter		Measuring range	Max. resolution	Accuracy
Alternating voltage (TRMS) U_{L-L MAX}= 2000 V for U_{L-PE MAX} = 1000 V* U_{L-L MAX}= 1520 V for U_{L-PE MAX} = 760 V*	-	0,0…1000,0 V or 0.0…760.0 V*	4 significant digits	±0.1% U_nom
Crest Factor	Voltage	1.00…10.00 (≤1.65 for 690 V voltage	0.01	±5%
Crest Factor	Current	1.00…10.00 (≤3.6 dla I_nom)	0.01	±5%
Alternating current (TRMS)	-	depending on clamp**	4 significant digits	±0.1% I_nom(error does not account for clamp error)
Frequency	-	40.00...70.00 Hz	0.01 Hz	±0.01 Hz
Active, reactive, apparent and distortion power	-	depending on configuration (transducers, clamps)	4 significant digits	depending on configuration (transducers, clamps)
Active, reactive and apparent energy	-	depending on configuration (transducers, clamps)	4 significant digits	as power error
cosφ and power factor (PF)	-	-1.00...1.00	0.01	±0.03
tgφ	-	-10.00...10.00	0.01	depends on error of active and reactive power
Harmonics and interharmonics	Voltage	DC, 1...50	as for alternating voltage True RMS	±0.05% U_nom for m.v. < 1% U_nom ±5% m.v. for m.v. ≥ 1% U_nom
Harmonics and interharmonics	Current	DC, 1...50	as for alternating current True RMS	±0.15% I_nom for m.v. < 3% I_nom ±5% m.v. for m.v. ≥ 3% I_nom
THD	Voltage and current	0.0..100.0% (relative to RMS value)	0.1%	±5%
Active and reactive power of harmonics	-	depending on configuration (transducers, clamps)	epends on minimum current and voltage values	-
Angle between current and voltage harmonics	-	-180.0…+180.0°	0.1°	±(n x 1°)
K-Factor	-	1.0...50.0	0.1	±10%
Flicker index	-	0.20...10.00	0.01	±5%
Unbalance factor	Voltage and current	0.0...20.0%	0.1%	±0.15% (absolute error)
Measurement of control signals	Voltage	up to 15% U_nomat 5.00...3000.00 Hz	4 significant digits	unspecified for <1% U_nom ±0.15% for 1...3% U_nom ±5% for 3...15% U_nom
Measurement of transients	Voltage	±8000 V	4 significant digits	±(5% + 25 V)