Originating from a division of ABB in the mid-1980s and officially founded in 1991, Unipower AB is a Swedish technology company that specialises in Power Quality measurement and Smart Grid information systems. It designs and manufactures norm-compliant fixed and portable power quality meters alongside automated analysis software. Their solutions are utilised globally and prevent costly manufacturing downtime.
Founded in 2009 in the UK, BVM Systems Limited specialises in power quality systems and measuring transmission network harmonics. Their PQSensor™ is a specialised transducer device designed for CV Transformers in transmission substations. It captures precise wideband harmonic & transient measurements without the measurement errors common in traditional instrument transformers, eliminating the need for expensive resistor-capacitor dividers.