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Summary KAL Series Bidirectional AC Electronic Load is a power converter device based on power frequency isolation, and IGBT two-stage conversion architecture, featuring high reliability, high precision, and programmable. Ideal for the R&D process and production testing of generators, AC power supplies, UPS, transformers, and inverters | Functions
|
Advantages
Fast response time;
High voltage/current precision;
Complete safety protection: OCP/OTP/OPP
PF≥0.99; Low THD;
Standard communication interfaces: LAN/RS485.
Summary KAL Series Bidirectional AC Electronic Load is a power converter device based on power frequency isolation, and IGBT two-stage conversion architecture, featuring high reliability, high precision, and programmable. Ideal for the R&D process and production testing of generators, AC power supplies, UPS, transformers, and inverters | Functions
|
Advantages
Fast response time;
High voltage/current precision;
Complete safety protection: OCP/OTP/OPP
PF≥0.99; Low THD;
Standard communication interfaces: LAN/RS485.
Models & Specifications
Models | Power Capacity [kVA] | Rated Current* [A] | Rated Voltage [V] | Frequency* [Hz] | Phase | Voltage Range* [V] |
KAL-75-33 | 75 | 113 | 220 | 5-200 | 3φ4W | 50-400 |
KAL-150-33 | 150 | 227 | 220 | 5-200 | 3φ4W | 50-400 |
KAL-300-33 | 300 | 454 | 220 | 5-200 | 3φ4W | 50-400 |
KAL-500-33 | 500 | 757 | 220 | 5-200 | 3φ4W | 50-400 |
NOTE: Rated Current*/Voltage*/Frequency* can be customized.
Input Requirements | |
Phase | 3φ3W+PE |
Voltage | 380V±15% |
Frequency | 50Hz±5Hz |
Feedback Characteristics | |
Energy Recovery | Energy recovery is available in full power range. |
iTHD | ≤3% |
Power Factor | ≥0.99 |
Functions & Input Characteristics | |
Work Modes | CR/CC/CP |
Current Precision | ±(2%FS+5dgt) |
Voltage Precision | ±(1%FS+5dgt) |
Power Factor | 0.3-1 (adjustable) 0.2%·FS |
Communication Interfaces | |
Local/Remote Interfaces | LCD/Upper computer software |
Remote Comms | RS485/LAN |
Safety & Ambient Conditions | |
Insulation Resistance | ≥20MΩ (500Vdc) |
Withstand Voltage | 2000Vdc (60s, no arcing/breakdown) |
Protection Level | IP21 (indoor) |
Cooling | Fan cooling |
Ambient Temperature | -10~40℃ |
Relative Humidity | 0-90%RH (Non-condensing at 25℃) |
Altitude | ≤2000m |
Models & Specifications
Models | Power Capacity [kVA] | Rated Current* [A] | Rated Voltage [V] | Frequency* [Hz] | Phase | Voltage Range* [V] |
KAL-75-33 | 75 | 113 | 220 | 5-200 | 3φ4W | 50-400 |
KAL-150-33 | 150 | 227 | 220 | 5-200 | 3φ4W | 50-400 |
KAL-300-33 | 300 | 454 | 220 | 5-200 | 3φ4W | 50-400 |
KAL-500-33 | 500 | 757 | 220 | 5-200 | 3φ4W | 50-400 |
NOTE: Rated Current*/Voltage*/Frequency* can be customized.
Input Requirements | |
Phase | 3φ3W+PE |
Voltage | 380V±15% |
Frequency | 50Hz±5Hz |
Feedback Characteristics | |
Energy Recovery | Energy recovery is available in full power range. |
iTHD | ≤3% |
Power Factor | ≥0.99 |
Functions & Input Characteristics | |
Work Modes | CR/CC/CP |
Current Precision | ±(2%FS+5dgt) |
Voltage Precision | ±(1%FS+5dgt) |
Power Factor | 0.3-1 (adjustable) 0.2%·FS |
Communication Interfaces | |
Local/Remote Interfaces | LCD/Upper computer software |
Remote Comms | RS485/LAN |
Safety & Ambient Conditions | |
Insulation Resistance | ≥20MΩ (500Vdc) |
Withstand Voltage | 2000Vdc (60s, no arcing/breakdown) |
Protection Level | IP21 (indoor) |
Cooling | Fan cooling |
Ambient Temperature | -10~40℃ |
Relative Humidity | 0-90%RH (Non-condensing at 25℃) |
Altitude | ≤2000m |