Power Quality Analyzer

Fixed PQ Meters

a)PQ Meter- MAVOLOG

Main Features:

4 current and 4 voltage measurement inputs with auto-ranging

• 12.5 A and 1000 V RMS




Frequency range: 16 to 400Hz

• Can be used in railway, mains supply and onboard electrical systems




High resolution

• Continuous sampling of voltage ad current measurement inputs at 32 kHz per channel








Up to 20 additional inputs and outputs

2 analog inputs – e.g. for temperature, direct sunlight and wind speed

2 analog outputs – for selectable measured quantities

8 digital inputs – e.g. for switching statuses

8 digital outputs – e.g. for rate meter pulses and masked alarms





Spectral analysis in accordance with EN 61000-4-7

Up to the 63rd harmonic

Acquisition of 10 user-defined sub-harmonics





Communications interfaces and protocols

Ethernet, USB (type B), RS 232 / RS 485; TCP/IP, Modbus and DNP3





Extended flicker measurement per EN 61000-4-15

For various voltage levels







Range of Applications:

Power analysis in low, medium and high-voltage systems

• Acquisition of energy flow patterns
• Ascertainment of current consumption
• Transparence for energy costs with assignment to cost centers
• Avoidance of peak loads




Protection and monitoring function for machines, systems and electrical installations

• Monitoring by means of numerous alarms / shutdowns of consuming devices in case of overload




Monitoring analysis and recording of relevant mains quantities

• Ascertainment of more than 200 different mains quantities
• Acquisition of all measured voltage quantities per IEC/EN 61000-4-30 (class A)
• Evaluation of measurement data per EN 50160 (mains quality standard)




Clarification of disturbances

• Fast reaction to events




Minimization of the risk of failure and downtime

• By means of continuous monitoring




Energy cost management

• Potential savings thanks to detection of reactive power generators and power guzzlers

b) PQ Meter- MAVOSYS

MAVOSYS 10 - Switchgear Mount Version Modular System for Power Quality, Demand & Energy Monitoring

MAVOSYS 10 SPECIFICATIONS

MODULES - CHOOSE UP TO FOUR

VOLTAGE

• Channels: (4) differential inputs, AC/DC
• Sampling: 512 samples/cycle, 16bit A/D, synchronous sampling
• Range: 1-600 Vrms, +/- 1000VPK, Frequency: 16/20Hz,50Hz, 60Hz
• Full Scale Accuracy: 0-600V 0.1% reading +/- 0.05% full scale, 7KHz bandwidth for low/medium frequency transients.100-300V AC 0.1% reading for IEC61000-4-30
• Input impedance: 10M Ohm to ground
• Choice of connections: Screw terminals (M819G), safety connectors (M819H), D connector (M819I) for use with (optional) remote pod with screw terminals (M819K).



CURRENT

• Channels: (4) differential inputs, AC/DC
• Sampling 512 samples/cycle, 16-bit A/D.
• Range: Full scale current = 1.5Vrms, crest factor of 3
• Accuracy: 0.1% reading +/- 0.05% full scale, 3KHz bandwidth for low/medium frequency transients. Does not include CT.
• Choice of connections: Screw terminals 1A (M819L) or 5A (M819M), TR connectors (M819N), D connector (M819I) for use with (optional) remote 1A 5 fold overload (M819P) or 5A 5 fold overload (M819Q) or 5A 20 fold overload (M819O).



DIGITAL INPUT

• Channels: (8), Range: 0 – 135VAC/DC
• 1KHZ sampling, Edge or level triggered
• Logic programmed by user (active high or active low
• Time stamped to the millisecond
• Screw terminals (M819S)



MEMORY

• 1GB internal flash



MONITORING COMPLIANCE

• IEC61000-4-30 Class A, IEC61000-4-7, IEC61000-4-15
• EN50160, NVE, IEEE1159, IEEE1453, IEEE519, IEEE1459



COMMUNICATIONS

• Standard: RJ45 TCP/IP Ethernet, RS232/RS485
• Optional: GSM/GPRS modem (Z819D), analog modem
• Protocols: XML, Modbus TCP/RTU
• Time synchronization: NTP, optional internal GPS (M819D)



INSTRUMENT POWER

• Standard: 90 to 250V AC 50/60Hz, 105 to 125V DC
• Optional: 90 to 250V AC/DC, 50/60Hz
• Screw terminals
• 15-minute internal UPS (specified with display & 4 modules)



AVAILABLE ENCLOSURES

• Panel Mount, 186mm x 186mm cutout
• M819C (61SGD): with ¼ VGA color touch display, 12 languages
• M819B (61SG): without display
• Z819I (61RMTSG): rack mount



ENVIRONMENTAL

• Operating temperature: -10 to 60˚C
• Humidity: 10 to 95%, non-condensing, Indoor use only



SAFETY

• CE, ISO9001