AS320 Elevator Dedicated Inverter
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- Commodity name: AS320 Elevator Dedicated Inverter
It employs a 32-bit digital signal processor (DSP) dedicated to motors, a programmable complex programmable logic device (CPLD), and an intelligent power module (IPM).
Product Introduction
The AS320 elevator-specific inverter features a 32-bit digital signal processor (DSP) dedicated to motors, a programmable complex programmable logic device (CPLD), and an intelligent power module (IPM).
Innovative no-load sensor startup compensation technology enables elevators to achieve excellent starting stability without the need to install weighing devices.
Synchronous motor control is achieved using an incremental ABZ encoder, and excellent starting stability is realized through the use of a no-load sensor-based startup compensation technique.
The hardware uses a new type of module with a junction temperature rating of up to 175℃, featuring low switching and turn-on losses, thereby extending the service life.
A pair of 32-bit embedded microprocessors jointly perform elevator operation functions and motor drive control.
The anti-interference capability design exceeds the level required by industrial design standards.
Equipped with rich and advanced elevator operation features, it can fully meet various customer needs.
CE and UL certified
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Functional Features
Maximum output voltage
Three-phase (200-240) V (corresponding output voltage)
Three-phase (380–460) V (corresponding output voltage)
Input power
Number of phases, voltage, frequency
200V Class: ≤3.7kW single-phase or three-phase; >3.7kW three-phase (200–240)V 50/60Hz
400V Class: Three-phase (380–460) V, 50/60 Hz
Allowable voltage variation: -15% to +10%
Allowable frequency variation: -5% to +5%
Transient voltage dip withstand capability
200V Class: Continues operating when AC voltage is above 180V; when the input voltage drops below 180V from the rated input condition, it continues operating for 15ms before triggering undervoltage protection.
400V Class: Continues operating when AC voltage exceeds 300V; when the input voltage drops below 300V from its rated state, it continues operating for 15ms before triggering undervoltage protection.
Control characteristics
Control modes: PG vector control, voltage vector V/F, open-loop vector, torque control
Starting torque: 150% at 0 Hz (with PG vector control), 120% at 0.5 Hz (voltage vector V/F), 150% at 0.5 Hz (open-loop vector).
Speed control range: 1:1000 (with PG vector control), 1:200 (without PG vector control)
Speed control accuracy: ±0.02% with PG vector control (25±10)℃; ±0.02% without PG vector control (25±10)℃
Torque limit available (configured via parameters)
Frequency control range: (0–120) Hz
Frequency accuracy (temperature fluctuation): ±0.01% for digital commands (-10 to +45)°C, ±0.1% for analog commands (25 ± 10)°C
Frequency setting resolution: ±0.01% digital command (-10～+45)℃, ±0.1% analog command (25±10)℃
Output frequency resolution (calculated resolution): 0.01 Hz
Frequency setting signal: (-10 to +10) V
Overload capacity: 150% at zero speed; 160% at speeds below 3 Hz; 200% at speeds above 3 Hz.
Braking torque: 150% (with external braking resistor), built-in braking unit
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AS320 Elevator Dedicated Inverter
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