Agricultural Engineering / Solar PV Submersible Pump
FREE TO EXPLORE
LABORATORY 41 · AGRICULTURAL ENGINEERING

Solar PV Submersible Water Pump Hydraulic Array Performance

Evaluate the electrical-to-hydraulic power conversion efficiency and water discharge rate of a solar PV-powered brushless submersible drip irrigation pump across varying solar irradiance power levels. Explore interactive farm machinery simulation, irrigation hydraulics, and agricultural engineering telemetry.

FARM MACHINERY · SOIL & WATER · POST-HARVEST · STRUCTURES

Your virtual agricultural engineering laboratory.

HYDRAULIC OUTPUT POWER P_HYD—
FIELD & TEST CELL TELEMETRY

Ready to sample with Power P_el = 500 W.

500 W
Pump model: 1.0 kW BLDC submersible multistage centrifugal

Adjust Power P_el, then execute agricultural trial.

Agricultural engineering telemetry and biosystems states are evaluated rigorously using 64-bit IEEE 754 precision. Residuals reflect ordinary least-squares regression across successive observations. Continuous data structures support high-fidelity agricultural and environmental modeling.

Agricultural assumptions and boundary condition limits

The linear power relationship applies above the minimum cut-in threshold (P_elec ≥ 200 W). Evaluated on a 1.0 kW rated multistage centrifugal submersible pump with integrated MPPT BLDC motor controller pumping against a fixed total dynamic head H = 35.0 m. Electrical power input is varied from 200 W to 950 W.

Agricultural apparatus & field instrumentation sensors.

Submersible Deep-Well Test Column

Vertical water test riser (diameter 150 mm, depth 40 m) equipped with calibrated backpressure throttling valve.

Multistage Centrifugal BLDC Solar Pump

1.0 kW submersible water pump with high-efficiency brushless DC permanent magnet motor.

Solar Array Electrical Simulator

Programmable DC power supply (0-150 V, 0-15 A) reproducing solar PV I-V curves across varying irradiance.

Electromagnetic Pipe Flowmeter

Measures continuous water discharge flow rate Q with 0.1% volumetric accuracy.

Piezo-Resistive Pressure Transducer

Monitors discharge head at pump outlet to compute exact total dynamic head (TDH) in meters.

High-Precision DC Power Analyzer

Simultaneously logs array DC voltage, current, and true electrical power input to the MPPT controller.

FOLLOW THE METHOD

A reason behind every step.

Evaluate the electrical-to-hydraulic power conversion efficiency and water discharge rate of a solar PV-powered brushless submersible drip irrigation pump across varying solar irradiance power levels. Standardized parameter settings: 200, 350, 500, 650, 800, 950 W.

01

Test Column Priming and Pressure Calibration

Submerge the pump assembly, purge air from the discharge column, and adjust the throttle valve to maintain constant 35.0 m total dynamic head.

02

DC Power Simulator Initialization

Configure the programmable DC power supply to simulate the output of a 1.2 kWp solar PV array at an initial power level of 200 W.

03

MPPT Inverter Tracking Stabilization

Energize the motor controller and allow 3 minutes for the internal MPPT algorithm to track the optimum power voltage and stabilize pump RPM.

04

Hydraulic Flow and Pressure Acquisition

Record stabilized discharge flow rate Q (m³/h), delivery pressure head H (m), DC voltage V_dc, and current I_dc over a 5-minute sampling window.

05

Electrical Power Progression Sequence

Increment PV simulator power through 350, 500, 650, 800, and 950 W, repeating hydraulic power and telemetry logging at each step.

06

Hydraulic Power Calculation and Regression

Calculate hydraulic power P_hyd = ρ · g · Q · H and plot against array electrical power P_elec, computing subsystem efficiency η_sys.

YOUR NOTEBOOK · 0 OBSERVATIONS

Turn measurements into agricultural engineering insight.

See a complete example report ↗

Points are your recorded observations. The solid regression line validates Solar PV Submersible Pump mathematical scaling.

LINEAR REGRESSION FIT · y = mx + b
P_hyd = η_sys · P_elec = 0.6800 · P_elec
#Array Electrical Power P_elec (W)Hydraulic Output Power P_hyd (W)Array electrical power P_elec (W)Hydraulic power P_hyd (W)Remove

No readings yet. Execute an agricultural trial and record it.

Calculate it yourself.

CHECK YOUR UNDERSTANDING

Explain what the agricultural metrics mean.

What is the mathematical equation for useful hydraulic water power P_hyd?

Why is maximum power point tracking (MPPT) vital in solar pumping systems?

If measured hydraulic power is 340 W at an array electrical power input of 500 W, what is the subsystem efficiency?

In off-grid agricultural solar pumping, what is the most economical method for storing energy for non-sunny hours?