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Water-resistance vs Loadbank (2000kW class)
| Item | Water-resistance | Loadbank |
| water | required | don't need |
| peripheral | water inlet pipe, exhaust water pipe, electric cable | electric cable only |
working weight | about 7ton | about 6ton |
| size | about 2500x2000x3000mm | 3000x2450x2890mm |
| power | 15kw for water pump and control motor | 5kw for cooling fan |
| load adjust | slow response, load changes with water evaporation | load set up immediately and keep stable during test |
| Safety | electrode exposed, very danger | all electrode are isolated, with electric leakage protection |
| Maintain | regular maintenance needed for pump, water tank and electrode | computer automatic regular maintenance |
| Environmental | waste water pollution | No waste water |
