SUN-G P1 — single-phase grid-tied inverters 1–10.5 kW
Country: China · Model: SUN-G P1
String inverters for a single-phase supply rated from 1 to 10.5 kW, designed for private solar plants. The maximum efficiency lies within 97.5–97.7 %, and generation starts already from a string voltage of 80 V.
- Power
- 1–4 kW (G04P1/G05P1), 3.6–6.2 kW (G05P1), 7–8 and 9–10.5 kW (G02P1)
- MPPT
- 1–2
- Max. efficiency
- 97.5–97.7 %
- Start-up voltage
- 80 V
Technical specifications
| Power | 1–4 kW (G04P1/G05P1), 3.6–6.2 kW (G05P1), 7–8 and 9–10.5 kW (G02P1) |
|---|---|
| MPPT | 1–2 |
| Max. efficiency | 97.5–97.7 % |
| Start-up voltage | 80 V |
| Functions | zero export, VSG, optional Anti-PID |
| Customs codes (for reference) | |
| HS code | 8504.40 |
| UKTZED code (Ukraine) | 8504408400 (≤7.5 kVA); 8504408800 (>7.5 kVA) |
| CN code (EU) | 85044084 |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
The range is divided into three series. The smaller G04P1 and G05P1 cover the 1–4 kW range, the G05P1 is also made for 3.6–6.2 kW, and the G02P1 covers 7–8 and 9–10.5 kW. Depending on the power, the inverter has 1 or 2 MPPT trackers, and the two-tracker version feeds two roof slopes into separate inputs. The low start-up voltage means the inverter switches on earlier in the morning, works longer in the evening and does not sit idle in cloudy weather. Zero export limits feed-in to the grid where the distribution system operator does not approve the sale of electricity. The VSG function, a virtual synchronous generator, makes the inverter behave like a machine with inertia and support the frequency of a weak line. The optional Anti-PID restores modules prone to potential-induced degradation.
How to choose
The inverter power is chosen to match the power of the module array and the permitted power of the single-phase connection. If the site has a three-phase supply, generation is better distributed with the three-phase SUN-G06P3 rated 3–25 kW with an efficiency of up to 98.5 %. When backup is needed during outages, a grid-tied inverter will not help, and then the off-grid SUN-OG03LP1 rated 3–8.8 kW with a 4 ms switchover is considered. For a balcony with one or two panels this range is too large, and SUN G4 microinverters from 300 W are used there.
Request a price and lead time
SUN-G P1 — single-phase grid-tied inverters 1–10.5 kW. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
At what string voltage does the single-phase SUN-G P1 inverter start?
The start-up voltage is 80 V, so generation begins even in weak morning light.
What does the VSG function give in a single-phase grid-tied inverter?
VSG imitates the behavior of a synchronous generator with inertia, and the 1–10.5 kW inverter helps hold the frequency on a weak rural line.
Can feed-in of electricity to the grid be limited?
Yes, in zero export mode the inverter reduces generation to the level of the house own consumption. This function is available in all the G02P1, G04P1 and G05P1 series.
What is the efficiency of the SUN-G P1 single-phase inverters?
The maximum efficiency is 97.5–97.7 % depending on the model.
Which model should be chosen for a roof with two slopes?
A version with 2 MPPT trackers is needed, then each slope works on its own input independently of the other.
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