Solar Industrial Water Pumps-Solution-Zhejiang Eternal Hybrid Tech Co., Ltd.

SOLUTION · SOLAR INDUSTRIAL CIRCULATION PUMP

Keep circulation stable while maximizing on-site solar

For long-running cooling-water, chilled-water, and process loops: use solar to reduce grid purchases and grid support to hold the target condition. After a grid outage, available daylight can continue circulation and buy time to remove residual heat.

Solid green · Solar power Solid amber · Grid power Solid teal · Equipment drive Cyan arrows · Circulating water Gray line and red cross · Isolated or offline

REAL-TIME HYBRID POWER

Maximize solar use while the pump holds its target output

Industrial circulation pumps often run continuously for long periods. Solar power feeds the drive's DC bus first; when cloud cover reduces output, the grid fills the gap in real time so the pump holds its target condition within the configured range.

Rooftop solar and the grid feed Eternal TS6000 together, with solar supplying most power and the grid filling the gap to drive an industrial circulation pump steadily

INDEPENDENT GRID FALLBACK

If the solar branch fails, the grid remains an independent fallback

Circulation pumps are critical to equipment cooling loops. The solar branch remains clearly separated from the original grid input; if protection isolates the solar branch, the grid can keep driving the pump through the original supply path.

The solar branch is visibly disconnected at the isolator while an independent grid path continues driving the industrial circulation pump and water flow remains visible

VOLTAGE RANGE · PROJECT FIT

220V and 380V options cover different power ranges

Industrial circulation pumps vary widely in voltage, power, and drive platform. 220V and 380V configurations match different equipment scales and operating environments, making project selection clearer.

A small 220V pump room and circulation pump on the left, and a large 380V industrial pumping station on the right

DAYLIGHT OUTAGE RESILIENCE

When the grid stops, available sunlight can keep water circulating

After a sudden grid outage, a compatible variable-speed pump can adjust speed and flow to available solar power once the minimum operating threshold is met, carrying away residual heat and buying time for a safe shutdown or process response.

A factory grid cabinet is offline with a red fault marker while on-site solar continues driving the circulation pump through Eternal TS6000 and water flow remains visible

OPERATING MODES · CIRCULATION

Hold the target condition normally; follow available solar during outages

The control objective changes by state: stabilize process circulation while the grid is available, then use daytime solar within safe limits to gain residual-heat removal time after an outage.

Grid available

Solar first, real-time grid support

The pump operates at the set condition; the solar share depends on available power.

Prioritize target flow, head, or control parameters
Let the grid fill power gaps as solar output changes
Isolate a faulty solar branch as designed

Daytime outage

Follow sunlight to gain time for a safe response

Once sunlight meets the minimum operating threshold, a compatible variable-speed pump adjusts speed and flow to available solar power.

Not equivalent to rated flow or constant-pressure operation
Confirm minimum safe speed and equipment interlocks
Stop the drive when sunlight is absent or below threshold

SOLAR WATER SYSTEM · LEARN MORE

Explore the complete water-system solution and product information

Visit the Eternal Watt website to learn more about solar water-system energy coordination, compatible products, and project support.