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All Updated Guides

How to Size a Charge Controller (MPPT Formula & Example)

How to size a solar charge controller: Isc × parallel strings × safety factor, cold Voc check, numeric example—then verify in the free MPPT sizing calculator.

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Solar PV DC Cable Sizing (Examples & Formula)

Solar PV DC cable sizing with Isc, continuous-current factor, and voltage-drop examples. Free guide—verify with the cable size calculator.

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How to Calculate Solar Irradiance (W/m² → PSH Formula & Example)

How to calculate solar irradiance for PV design: convert average W/m² × daylight hours into kWh/m²/day and peak sun hours—free formula, examples, then PSH calculator.

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Wiring Solar Panels: Series, Parallel & Series-Parallel

Wiring solar panels in series and parallel: Voc/Isc formulas and a 2S2P example—then use the free solar panel wiring calculator.

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MPPT vs PWM Solar Charge Controller (Free Guide — When to Use Which)

MPPT vs PWM solar charge controllers compared for commercial planning: efficiency, voltage matching, and a sizing example—then screen amps with the MPPT calculator.

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SCCR Meaning: Short-Circuit Rating vs kAIC & Fault Current

SCCR means short-circuit current rating. Learn how panel SCCR differs from breaker kAIC and available fault current, with a 480 V example.

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Solar Panel Tilt Angle Explained (Free Guide — Azimuth & Example)

Solar panel tilt angle explained for commercial roofs: latitude rules of thumb, azimuth, and a numeric example—then estimate tilt with the free calculator.

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Solar System Losses & Derating Factors

Solar system losses and derating: inverter, soiling, wiring, temperature. Free factors table for commercial PV planning.

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Tabel Daya Listrik PLN 3 Phase (VA, MCB & Rumus)

Lihat tabel daya listrik PLN 3 phase (VA ke MCB). Gratis dengan rumus, contoh 33.000 VA, dan kalkulator arus tiga fasa untuk perencanaan.

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Industrial BESS kWh Sizing Guide (Battery Energy Storage, with Formula & Examples)

Size industrial BESS kWh, PCS kW, peak shaving, RTE, and cycle life: formulas, worked examples, and links to factory load and UPS battery tools.

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