VONK - Power Conversion Services
Our service organization offers a wide range of on-site services for both low- and high voltage systems and power conversion systems. We have an experienced team of well-trained specialists delivering services worldwide to ensure the availability of systems which are critical to the primary processes of our customers.
To ensure that your system operates safely and satisfactorily at all times, our specialists provide support not only where long-term maintenance plans are in place, but also in corrective situations. In the main, VONK focusses on providing support in the following areas:
- Current : until 150 kA
- Voltage : until 100 kV
- Power : until 150 MW
- Frequency : until 100 kHz
- Stability : until 1 ppm
Our online infrastructure using automated processes guarantees reliable planning and reporting for all our activities. This ensures that your systems are maintained in good time and by experienced specialists. VONK provides special maintenance and inspections for applications such as those listed below:
- High Voltage installations
- Low Voltage installations
- Generators
- NSA & (DR)UPS systemen
- AC/DC controls
- DC-systems
- Cos phi improvement systems
- Field instrumentation
Our package of maintenance services and inspections includes the following:
- 24/7 troubleshooting service
- Long-term maintenance plans
- Baseline measurements
- Maintenance (inspection, preventive and corrective)
- Thermographic testing and investigation
- Delegated system responsibility
- Advice on statutory regulations (e.g. NEN-3140 and NEN-3840)
- Specialist advice on management and maintenance
- Operating procedures
- Switching procedures and switching orders for de-commissioning systems
- De-commissioning
- Supervision of inspections and maintenance of the system
- Administration of operating data, documents and drawings
- Arranging access and designation policy
- Transformer maintenance, inspections and oil analysis
- Selectivity studies
- Efficiency studies
- Installation of high voltage cables (e.g. sleeves)
- Management and advice with respect to spare parts
- Power measurements (and quality analysis)
- Measuring harmonic distortion (power line disturbance)
- Diagnostic cable testing
- Earthing testing
- Phase angle measurements
- Insulation resistance testing
- Transmission resistance testing
- Transformation testing for electricity transformers (max. 2500 A)
- Safeguards
- NEN 3140 inspections
- Instrumentation calibration