Rental
Generator and load bank rental
When the permanent system is being serviced, when the construction site lacks power, or when a system must be tested: Norwerk rents out generators, load banks and lighting towers – delivered, connected and serviced.
The equipment
Generators, load banks and lighting towers – for temporary needs.
The rental fleet
Tested before it leaves us
All equipment is tested before delivery so there are no faults or delays on site. Service and maintenance of the rental equipment stay with Norwerk throughout the rental period.
| Equipment | Size | Typical use |
|---|---|---|
| Diesel generators | 20 kVA – 1 MVA | Standby power during service of the permanent system, construction sites, events |
| Load banks (AC) | 100 kW – 6,000 kVA | Load testing of generator plants and UPS |
| Load banks (DC) | Up to 240 V | Testing batteries and DC systems |
| Generators with lighting mast | Mobile | Light and power on construction sites and work areas |
The size
How the load becomes a generator size.
Sizing
How large a generator do you need to rent?
The load is stated in kW, but generators are rated in kVA at power factor 0.8. Choose the load and see the smallest generator that covers it. Norwerk always reviews the actual load before the generator is chosen.
Load to be supplied
Generators are rated in kVA at power factor 0.8. Large motors, UPS systems and frequency converters may require a larger generator than the calculation shows.
- 1Active power of the load120 kW
- 2÷ power factor 0.8150 kVA
- 3Next size in the fleet150 kVA
Delivery
What is involved when the generator is connected.
Connection
The generator is only half of it
A rental generator must be earthed, connected through a changeover switch and have fuel and exhaust arranged. Connection to a fixed electrical installation must be carried out by an authorised electrical contractor. Norwerk handles the whole generator installation.
| Task | Content |
|---|---|
| Earthing | The generator is earthed to suit the site |
| Cables and boards | Cabling, generator board and control board |
| Changeover | Manual or automatic between mains and generator |
| Fuel | Tanks and fuel supply throughout the rental period |
| Exhaust | Routed away from intakes, doors and windows |
The process
From enquiry to collection
Send the load, the period and the address – and we will come back with a quote for equipment, delivery and connection.
- 1EnquiryLoad, duration and site
- 2SizingGenerator, cables and fuel
- 3DeliveryTested equipment, set up and connected
- 4OperationService and fuel during the period
- 5CollectionDisconnection and return
Which generators can be rented from Norwerk?
Diesel generators from 20 kVA up to 1 MVA, plus generators with lighting masts. Larger needs are met with several units.
How do I find the right size?
Add up the load in kW and divide by the power factor 0.8 – generators are rated in kVA. Large motors, UPS systems and frequency converters cause high starting currents or distortion and may require a larger generator. Norwerk sizes the generator from the actual load.
Who connects the generator?
Connection to a fixed electrical installation must be carried out by an authorised electrical contractor. Norwerk handles the whole generator installation: earthing, cables, exhaust, fuel, tanks and switchboards.
Can I rent a load bank?
Yes. Norwerk rents out resistive load banks from 100 kW, combined resistive and reactive units up to 6,000 kVA and DC load banks up to 240 V – with or without an engineer.
Why rent instead of buying?
For temporary needs – construction, refurbishment, service of the permanent system or testing – you avoid the investment, and service and maintenance of the equipment stay with Norwerk.
Do you have a project or a system that needs service?
Send us the load, required autonomy and voltage level – or describe the task. We will come back with a solution sized for your operation.