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FFD POWER KY-EST Series Hybrid Inverter/Three-phase

KY-EST30KH/ KY-EST35KH/ KY-EST40KH/ KY-EST45KH/KY-EST50KH/ KY-EST55KH/ KYEST60KH/KY-EST65KH series inverters, also known as hybrid or bidirectional solar inverters, are suitable for photovoltaic , energy management of solar energy systems such as batteries, loads, and grids. The electricity generated by the photovoltaic panels is used for residential electricity, and the excess electricity can be stored in batteries. When the battery is fully charged, the user can send the excess power to the grid .

When the photovoltaic power is not enough to meet the user’s load demand, the battery will discharge to the load. If there is insufficient energy storage in the battery, the grid will supply power to the load through the system.The inverter has a transformerless topology and there is no isolation between DC input and AC output. Adaptive PV models must meet the IEC61730 class a standard. The energy management system is shown in Figure

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Description

KY-EST30KH/ KY-EST35KH/ KY-EST40KH/ KY-EST45KH/KY-EST50KH/ KY-EST55KH/ KYEST60KH/KY-EST65KH series inverters, also known as hybrid or bidirectional solar inverters, are suitable for photovoltaic , energy management of solar energy systems such as batteries, loads, and grids. The electricity generated by the photovoltaic panels is used for residential electricity, and the excess electricity can be stored in batteries. When the battery is fully charged, the user can send the excess power to the grid .

When the photovoltaic power is not enough to meet the user’s load demand, the battery will discharge to the load. If there is insufficient energy storage in the battery, the grid will supply power to the load through the system.The inverter has a transformerless topology and there is no isolation between DC input and AC output. Adaptive PV models must meet the IEC61730 class a standard. The energy management system is shown in Figure

 

KY-EST Series Hybrid

Inverter/Three-phase 30KW-60KW
  • PV & Storage System : Intergrated PV and storage system model,supporting various kind of batteries,and intergrates EMS smart energy management system;
  • Smart Switching : Modular design,supporting mutiple parallel connections,expandable power and capacity;
  • Wide voltage Input Range: Wide PV voltage input range 180V-1000V,wide batteries voltage range 220V-880V
  • Safety and Reliable:IP54 protection,all-aluminum design,built-in anti-lightning protection,high precision leakage protecyion;
  • Smart and Simple:Ultra silent,flexible communications,support remote/local USB upgrade;
  • Efficient Power Generation:High-current instantaneous charge-discharge switching to improve power generation efficiency.

FFD POWER KY-EST Series Hybrid Inverter/Three-phase Technical Data

MODEL KY-EST30KH KY-EST40KH KY-EST50KH KY-EST60KH
EFFICIENCY
Efficiency >98.2% >98.2% >98.2% >98.2%
PV INPUT PARAMETERS
Max. Input Power（W） 45000 60000 75000 90000
Max. Input Voltage（Vdc） 1000V 1000V 1000V 1000V
MPPT Operation Voltage Range (Vdc) 180-900/630 180-900/630 180-900/630 180-900/630
MPPT Operation Voltage Range at Rated Power（ Vdc ) 300-900 400-900 400-900 450-900
Max. Input Current ( Adc ) 36/36/36 36/36/36 36/36/36/36 36/36/36/36
Max. Short-circuit Current (Adc) 42/42/42 42/42/42 42/42/42/42 42/42/42/42
Number of MPPT Channels and Strings 3/2 3/2 4/2 4/2
Battery Port
Max Input/Output Voltage ( Vdc ) 800 800 800 800
Operating Voltage Range ( Vdc ） 220-800 220-800 220-800 220-800
Max Charge/ Discharge Current ( Adc ) 100/100 100/100 100/100 100/100
Max Input/Output Power (W) 30000 40000 50000 60000
Battery Type Li-ion/Lead-acid Li-ion/Lead-acid Li-ion/Lead-acid Li-ion/Lead-acid
GRID-CONNECTED PARAMETERS（ AC )
Rated Power （W） 30000 40000 50000 60000
Max. Apparent Power ( VA ) 30000 40000 50000 60000
Rated Voltage (Vac) 400，3L/N/PE 400，3L/N/PE 400，3L/N/PE 400，3L/N/PE
Power Frequency（Hz） 50/60 50/60 50/60 50/60
Max. Current (A) 45 60 75 87
Power Factor Range ~1(0.8 lead to 0.8 lag can be set) ~1(0.8 lead to 0.8 lag can be set) ~1(0.8 lead to 0.8 lag can be set) ~1(0.8 lead to 0.8 lag can be set)
Current THD (@Rate Power) <3% <3% <3% <3%
OFF-GRID PARAMETERS OUTPUT (Back-up AC Output)
Rated Voltage （Vac） 400，3L/N/PE 400，3L/N/PE 400，3L/N/PE 400，3L/N/PE
Max. Apparent Output Power （VA） 30000 40000 50000 60000
Rated Output Power (Aac) 30000 40000 50000 60000
Max. Single-Phase Apparent Output Power ( VA） 10000 13000 17000 20000
Rated Frequency (Hz) 50/60 50/60 50/60 50/60
Rated output Current (Aac) 45 60 75 87
On/Off-Grid Switching Time < 10ms < 10ms < 10ms < 10ms
General Data
Operating Temperature Range -25℃——+60℃（>45℃ derating) -25℃——+60℃（>45℃ derating) -25℃——+60℃（>45℃ derating) -25℃——+60℃（>45℃ derating)
Operating Altitude ( m ) < 4000 < 4000 < 4000 < 4000
Noise (dB) < 40 < 40 < 40 < 40
Topology Transformerless isolation Transformerless isolation Transformerless isolation Transformerless isolation
Cooling Method Integrated Fan Integrated Fan Integrated Fan Integrated Fan
Ingress Protection Rating IP54 IP54 IP54 IP54
Relative Humidity 5—90% 5—90% 5—90% 5—90%
DC Interface Type Quick-plug terminal Quick-plug terminal Quick-plug terminal Quick-plug terminal
AC Interface Type Terminal Block Terminal Block Terminal Block Terminal Block
Display LCD LCD LCD LCD
Communication Method RS485（ Wi-Fi/GPRS Optional ） RS485（ Wi-Fi/GPRS Optional ） RS485（ Wi-Fi/GPRS Optional ） RS485（ Wi-Fi/GPRS Optional ）
Installation Method Wall-mounted/Landing Wall-mounted/Landing Wall-mounted/Landing Wall-mounted/Landing
Dimensions ( W*D*H mm ) 800*875*350 800*875*350 800*875*350 800*875*350
Weight （kg） 102 102 102 102
PROTECTION PARAMETERS
AC Overcurrent Protection YES YES YES YES
Ground Fault Detection Protection YES YES YES YES
Power Grid Monitoring Protection YES YES YES YES
Residual Current Detection Protection YES YES YES YES
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