KMB Systems power quality analyzers and reactive power controllers
KMB Systems power quality instruments: NOVAR power factor controllers, KATKA thyristor switches, ARTIQ Class A analyzers, and SMY panel multimeters.
KMB Systems: Czech designer of power quality instruments and metering systems
Founded in 1991 in Liberec, K M B systems, s.r.o. specializes in developing digital electrical grid quality analyzers, reactive power controllers, and telemetry solutions compliant with international standards IEC 61000-4-30 and EN 50160 for industrial utilities.
- Research and production facility in Liberec with dedicated testing laboratories
- Serial production of reactive power controllers, multimeters, and analyzers
- High-precision 0.2S metering accuracy class engineered for technical sub-metering
- Qualified circuit architecture suited for low and medium voltage network cubicles
Microprocessor reactive power controllers of NOVAR series for PFC cabinets
Automatic NOVAR controllers provide stepped adjustment of capacitor bank stages while evenly balancing wear across switching gear. The lineup spans compact NOVAR 1005 units and multichannel controllers NOVAR 1106, 1114, 1214, 1312, and 2600 for varied plant grids.
- Control of 5 to 24 capacitor steps and harmonic resonance detuning chokes
- Switching cycle optimization algorithm extending service life of contactor units
- Integrated monitoring of total harmonic distortion THD for voltage and current
- Digital RS-485 port supporting open Modbus RTU protocol for remote automation
Thyristor switching modules of KATKA series for dynamic PFC compensation
KATKA modules deliver ultra-fast capacitor switching at zero-voltage crossing without inrush currents or mechanical wear. The portfolio comprises two-phase and three-phase models KATKA 12, KATKA 20, and KATKA 80 rated for power ranges between 12 and 80 kvar.
- Zero-voltage crossing switching avoiding transients and electrical stress
- Rapid response suited for electrical networks with welders, presses, and hoists
- Internal thermal protection of power semiconductor junctions against overload
- Seamless interconnection with high-speed controllers like NOVAR 1312
High-precision power quality analyzers ARTIQ and SMZ of Class A standard
Fixed ARTIQ instruments are built in accordance with IEC 61000-4-30 Class A for continuous grid monitoring and fault analysis. Models ARTIQ 233, ARTIQ 235, and ARTIQ 244 capture voltage dips, swells, flickers, and harmonics up to the 63rd order in detail.
- Compliance with measurement Class A Edition 3 requirements of IEC 61000-4-30
- Vibrant 5.7 inch graphical display integrated on panel-mount ARTIQ 233
- Four-quadrant energy metering with sub-meter accuracy matching class 0.2S
- Residual current monitoring RCM and high-speed waveform transient capture
Multifunctional panel multimeters SMY 133, SMY 134 and SML DIN-rail units
Compact measuring instruments by KMB Systems are engineered for DIN-rail or front panel installation across distribution switchboards. The units measure true RMS voltages, currents, frequency, active and reactive power with data streaming to plant SCADA.
- Universal housing suitable for standard DIN rail or front door cabinet layout
- True RMS measurement of voltages, currents, power factor, and phase angles
- Pulse telemetry outputs and programmable alarm relays for process limits
- Effortless integration into plant management platforms via RS-485 and Ethernet
Software suite ENVIS for electrical energy management and grid reporting
Dedicated software packages ENVIS.Daq and ENVIS.Online gather measurement logs from KMB Systems instruments over network links, generate daily load curves, and produce grid compliance reports conforming to EN 50160 and international power standards.
- Scalable network architecture collecting data from NOVAR units and ARTIQ meters
- Automated generation of detailed quality compliance reports per EN 50160
- In-depth evaluation of load demand curves optimizing plant tariff structures
- Essential analysis toolset for ISO 50001 industrial energy management systems
Czech precision measurement traditions and KMB Systems manufacturing history
Established in 1991 in Liberec, Czech manufacturing enterprise K M B systems, s.r.o. emerged as a dedicated developer of electrical network quality monitoring instruments and reactive power compensation solutions.
Beginning with portable Simon network analyzers for distribution grids, the plant introduced advanced digital signal processing and SMD surface mount production lines.
Operating testing laboratories in cooperation with Technical University in Liberec, KMB Systems instruments serve metallurgical plants, electric railway substations, renewable photovoltaic plants, and industrial data centers, delivering dependable power quality telemetry in full accordance with international IEC and EN norms.
Automated step compensation principles across the NOVAR controller series
NOVAR power factor controllers continuously calculate reactive current vectors and required compensation capacitance to maintain target power factor levels.
The microcomputer unit monitors phase load demand and executes stepped capacitor switching through cyclic algorithms designed to distribute duty cycles evenly across contactor units.
Intelligent firmware protects capacitor banks from resonance by isolating steps during elevated total harmonic distortion conditions.
Built-in RS-485 Modbus RTU communication enables seamless integration of PFC cubicles into broader plant automation, energy management, and remote telemetry networks without intermediate gateways.
Solid-state thyristor switching modules of the KATKA series
Within industrial environments characterized by rapid fluctuating loads, mechanical contactors suffer heavy contact erosion from electric arcing.
Solid-state KATKA thyristor modules switch capacitor stages precisely at zero-voltage crossing points, eliminating electrical inrush transients and mechanical switching degradation.
Delivering reaction speeds under 20 milliseconds at ratings up to 80 kvar, KATKA modules provide essential reactive power stabilization for robotic spot welding lines and heavy stamping machinery.
Integrated junction thermal sensors and varistor snubbers ensure continuous resilience against grid voltage transients.
Metrological power quality network monitoring via ARTIQ instruments
Flagship ARTIQ analyzers comply with metrological Class A requirements stipulated by IEC 61000-4-30 Edition 3.
The instruments perform continuous synchronized sampling referenced to GPS timing signals, facilitating forensic investigation of transient disturbances across interlinked utility substations.
The panel-mount ARTIQ 233 features a 5.7 inch color graphical screen displaying voltage vectors, harmonic spectra up to the 63rd order, and daily trend logs. Integrating 0.2S class sub-metering accuracy alongside residual current monitoring RCM, the unit serves as a comprehensive power auditing hub.
Multifunctional panel network meters across SMY and SML product lines
Compact measuring instruments SMY 133, SMY 134, and SML 133 combine voltmeter, ammeter, frequency gauge, and active/reactive power meters within standardized enclosures.
They install on standard DIN rails or distribution panel doors, measuring true RMS phase parameters with high metrological consistency.
The instruments incorporate programmable digital pulse and alarm relay outputs for telemetry of operational parameter limits. Measured data feeds via open Modbus protocols into plant supervisory monitoring software, providing localized electrical oversight without bulky legacy analog gauges.
Network integration and analytical algorithms of the ENVIS software platform
The ENVIS.Daq and ENVIS.Online software package unites distributed NOVAR controllers, SMY meters, and ARTIQ analyzers into an integrated energy monitoring system.
Server daemons query network nodes via Ethernet and RS-485, compiling historical databases of electrical performance across plant workshops.
Analytical modules compare recorded parameters against EN 50160 grid quality benchmarks, automatically producing comprehensive power compliance audit reports.
Evaluating coincident daily power demand profiles assists plant engineers in eliminating peak loads and optimizing industrial utility contracts.
KMB Systems and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of KMB Systems and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.
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Documents and sources
- Manufacturer official portal — digital analyzers and power controllers KMB Systems
- Controllers technical catalog — specifications of microprocessor units NOVAR
- Thyristor switches specification — solid-state switching modules KATKA
- Class A network analyzers — precision power quality instruments ARTIQ
- Company history and contacts — profile of measuring equipment factory in Liberec
- Industrial automation catalog — instruments and components from KMB Systems
