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We are happy to help. Ktech Certified Repair is performed by trusted experts and uses genuine Ktech parts. Only Ktech Certified Repairs are legally guaranteed.

How are the fans in our inverters controlled?

We use intelligent air-cooling: the fan power is controlled based on temperature. At present there are three speed levels.
For our EU-standard single-phase units (three units × 5 kW), can they be paralleled to form a three-phase 380 V output — i.e., 3 × 5 kW = 15 kW?

Our EU-standard single-phase units support up to six units in parallel. Using three identical units in parallel can produce a three-phase 380 V output, and the output powers add together.
Southeast Asia’s mains voltage is unstable. If we want to use EU-standard units in Southeast Asia, can we use a voltage stabilizer to regulate it? (Single-phase: one live + N; voltage fluctuation range 110 V–300 V.)

Our AC input voltage range is 90 Vac–280 Vac (±2%). It is recommended to add a voltage-regulation module; a stabilizer can be used to adjust the voltage.
If the user does not connect a battery or the mains, and instead directly inverts solar energy to AC to power loads: what is the inverter’s start voltage and what is the operating voltage?

Currently our off-grid inverters cannot start without a battery. The inverter start voltage is 125 V. The operating voltage depends on the specific load conditions.

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faqs

How are the fans in our inverters controlled?

For our EU-standard single-phase units (three units × 5 kW), can they be paralleled to form a three-phase 380 V output — i.e., 3 × 5 kW = 15 kW?

Southeast Asia’s mains voltage is unstable. If we want to use EU-standard units in Southeast Asia, can we use a voltage stabilizer to regulate it? (Single-phase: one live + N; voltage fluctuation range 110 V–300 V.)

If the user does not connect a battery or the mains, and instead directly inverts solar energy to AC to power loads: what is the inverter’s start voltage and what is the operating voltage?

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