W h a ta r et h eD i s a d v a n t a g e so fD CP u m p s?

As bombas de corrente contínua utilizam painéis solares ou baterias em vez da rede elétrica para operar. Embora economizem nas contas de luz e sejam úteis durante quedas de energia, elas também apresentam várias desvantagens que os consumidores devem considerar antes das vantagens.

• Limited power window: Apumpsized around solar input can slow when clouds pass or at dawn and dusk. Batteries smooth flow but add expense and need periodic replacement.

• Voltage-drop sensitivity: Most DC models run at 12 V to 96 V. Long cable runs lose voltage quickly, so installers must use thick copper wire, increasing material cost.

• Electronics dependence: Brushless motors need a driver board to time the coils. Surges, lightning, or moisture can damage this board, and spare parts are not stocked in every hardware shop.

• Head and flow trade-off: Very deep wells or large irrigation blocks may exceed the highest DC ratings. In those cases, an AC or hybrid unit delivers more lift per kilowatt.

• Specialised service: Technicians trained on DC systems are still fewer than those for traditional pumps. If service centres are far away, downtime can stretch.

Para locais que ainda favorecem a energia solar, umbomba híbrida CA/CC, como os modelos da linha SAMKING, mantém a água em movimento quando a luz do sol se apaga, ao mesmo tempo em que alivia alguns dos limites listados acima.