Applications / Solar Drainage
Solar Drainage Pump System for Flood Prevention and Water Transfer
Drainage projects are control projects. Water level, response time, pump start logic, hybrid input and cabinet wiring matter as much as pump power.
We help match the inverter, pump, cabinet, sensors and accessories for flood prevention, pond drainage, field drainage and municipal water transfer.


SP4015
Hybrid inverter reference
15kW
Project inverter size
30
Solar panels used
Control Logic
Drainage systems need a response flow, not only a pump
The system should know when to start, how to protect the pump, and how to keep operating when solar input changes.
Water level rises
Float switch or site signal tells the system drainage is needed.
Inverter starts pump
SP4 or matched inverter controls motor start and speed.
Solar input changes
MPPT control keeps operation stable as sunlight moves.
Protection reacts
Overload, voltage and dry-run faults help prevent damage.
Cabinet stays serviceable
Labeled wiring and clean terminals shorten inspection time.
Configuration
Match drainage projects by risk and operating mode
Flood prevention, pond drainage and field transfer use different start signals and protection requirements.
| Drainage Situation | Important Control Point | Recommended SolarSeeker Path |
|---|---|---|
| Flood prevention station | Water level signal, hybrid input and fast restart | SP4 or hybrid inverter plus cabinet |
| Farm drainage ditch | Pump head, pipe route and daily discharge volume | SP4 with pump and accessories |
| Pond or reservoir transfer | Surface water condition, suction risk and debris | Pump selection plus cabinet protection |
| Municipal or public project | Inspection, wiring layout, labels and documentation | Custom cabinet and project support |
Project Proof
Philippines government flood prevention project
SolarSeeker supplied a 15kW hybrid solar inverter path for an 11kW pump. The system used 30 panels and was designed for practical flood-prevention water management.
Inverter
SP4015 hybrid solar inverter
Pump
11kW / 15hp pump load
Voltage
380V project configuration
PV Array
30 solar panels



Product Paths
Equipment groups commonly used in drainage projects
SP4 Inverter
For 380V pump motors and larger drainage loads.
View SP4
Solar Pump Cabinet
For wiring, protection, level control and easier station inspection.
View cabinet
Pump Selection
For head, flow, water source and pump body matching.
Select pump
Accessories
For sensors, cables, connectors, switches and spare parts.
View kits
FAQ
Solar drainage pump system FAQ
What makes a drainage pump system different from irrigation?
Drainage depends more on water-level control, start logic, discharge volume and emergency response. Irrigation is usually scheduled around crop demand.
Can solar drainage systems use hybrid input?
Yes. Some projects use solar plus AC backup or hybrid control depending on the required response time and local grid condition.
What data is needed for drainage pump sizing?
Send pump voltage, phase, kW, rated current, discharge flow, head, water-level control method, cable distance and project country.
Should drainage projects use a cabinet?
Usually yes for public, outdoor or high-power projects. The cabinet keeps wiring, protection devices and level-control connections organized.
Can SolarSeeker support public or EPC drainage projects?
Yes. We can support inverter selection, cabinet wiring direction, accessories and project documentation based on the pump and station data.
Next Step
Need a solar drainage pump configuration?
Send pump nameplate, discharge target, water-level control method, head and project country. We will check the inverter, cabinet and accessory path.