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You are here: Home » PRODUCTS » Variable Frequency Drive » Solar Pumping VFD » LD520-PV Series Solar Pumping Driver

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LD520-PV Series Solar Pumping Driver

LD520-PV Series Solar Pumping Driver offers scalable, energy-efficient solutions for water management. Leveraging advanced MPPT technology, it operates seamlessly on solar DC or grid/generator AC power, ideal for agricultural irrigation, livestock watering and desert reclamation. With intelligent light-responsive controls and robust protections, it ensures reliable, eco-friendly performance in off-grid and hybrid systems.
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Solar Pumping Inverter Solar Inverter Solar Pumping Driver
Feature
Specifications
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  • 99% MPPT Efficiency

The advanced algorithm maximizes solar energy extraction for optimal performance.

  • Multiple Optional Input Power Type

Compatible with solar photovoltaic power grid or generator input, providing users with more choices when dealing with different environments.

  • Compatible with Various Motor Type

Compatible with asynchronous motors, synchronous motors, BLDC.

  • Comprehensive Protections

Includes PV overvoltage, overcurrent, overheat derating, and low water level alarm to ensure safe and reliable operation.

  • Auto Start/Sleep Function

Self-activates upon solar panel connection; no manual parameter setup is required.


Operating Principle

Operating Principle


DC input
Start voltage(W 300
Max DC voltage (V) 900
Min.work voltage(M) 250
Recommended MPPT voltage (M 300～750
Recommended input work voltage (V) 550
AC input
Input voltage(V) 3PH 380(-15%-+20%)
3PH 220(-15%-+20%)
IPH 220(-15%-+20%)
Input frequency (Hz) 50/60(47~63)
AC output
Output voltage(M 0-input voltage
Output frequency (Hz) 0~400
Control performance
Control method VF(SVPWM)
Pump type Asynchronous,synchronous and BLDC
Overload capability 120%ofratedcument: 60s
150%ofratedcument: 10s
Others
Protective degree IP20
Cooling method Foroedair cooling
Nterfaoe LED keypad
Professional function
Protecion function Low water level,overload,overcument,overvoltage
weak sunlight alam oveheating,etc
MPPT funcion Automaticfaclory seting
Auto runhtop Sleep when the light is weak, and wake up when the lght is strong
Waterlevelmonitor Sloepwhen the water is full, and wake up when the water level is low


Voiage Mode Motor Power
(KW)		 Max   DC
nput current
(A)		 Rated input
current
(A)		 Rated output
cument
(A)
1PH 220V LD520-0R4G-S2-B-PV 0.4 9 6 2.5
LD520-0R7G-S2-B-PV 0.75 9 7 3.8
LD520-1R5G-S2-B-PV 1.5 12 12 7
LD520-2R2G-S2-B-PV 2.2 12 16 9.6
3PH 220V LD520-1R5G-T2-B-PV 1.5 10 8.5 7
LD520-2R2G-T2-B-PV 2.2 18 10.5 9
LD520-4R0G-T2-B-PV 4.0 20 14.6 13
LD520-5R5G-T2-B-PV 5.5 30 26 25
LD520-7R5G-T2-B-PV 7.5 40 35 32
3PH 380V LD520-0R7G-T4-B-PV 0.75 9 3.4 2.1
LD520-1R5G-T4-B-PV 1.5 9 5.0 3.8
LD520-2R2G-T4-B-PV 2.2 12 5.8 5.1
LD520-4R0G-T4-B-PV 4.0 16.5 10.5 9.0
LD520-5R5G-T4-B-PV 5.5 23.9 14.9 13
LD520-7R5G-T4-B-PV 7.5 30.6 20.5 17
LD520-011G-T4-B-PV 11 39.2 26 25
LD520-015G-T4-B-PV 15 49 35 32
LD520-018G-T4-B-PV 18 50 38.5 37
LD520-022G-T4-B-PV 22 60 46.5 45
LD520-030G-T4-PV 30 81 62 60
LD520-037G-T4-PV 37 90 76 75
LD520-045G-T4-PV 45 130 92 91
LD520-055G-T4-PV 55 150 113 112
LD520-075G-T4-PV 75 200 157 150
LD520-090G-T4-PV 90 250 180 176
LD520-110G-T4-PV 110 300 214 210
LD520-132G-T4-PV 132 360 256 253


Feature
Specifications
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