Bidirectional Four-Quadrant Voltage Variation Simulator
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The LIS-APS series Bidirectional Four-Quadrant Voltage Variation Simulator (also referred to as Four-Quadrant Voltage Drop Simulator and Four Quadrant Battery Simulator) is a high-precision power supply simulation instrument that facilitates bidirectional energy flow. It enables seamless switching and output of positive and negative voltages and currents, accurately replicating dynamic voltage variations, transient pulses, and polarity reversal scenarios. The device also incorporates custom waveform editing capabilities, adjustable impedance settings, and wide-bandwidth ripple superposition. Through dual closed-loop voltage and current control, and employing a fully controlled H-bridge topology that partitions the system into four operational quadrants, it achieves seamless quadrant transitions, precisely managing voltage changes to satisfy diverse complex power supply simulation testing requirements.
The LIS-APS series Four Quadrant Battery Simulator is utilized in automotive electronics applications, simulating onboard battery voltage fluctuations, start-stop conditions, and other operational states, meeting standards such as ISO 16750-2, and verifying the immunity and reliability of components including ECUs and BMS. It is also extensively applicable in rail transportation, aerospace, industrial control, and medical electronics sectors, executing power supply adaptability tests and simulating energy feedback conditions for motors and energy storage devices, delivering precise solutions for performance verification of electronic devices under complex voltage environments.
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Frequently Asked QuestionsWhere is LISUN based and what is your global reach?We are based in Shanghai, China, founded in 2012. Our products are sold to Western Europe (25%), North America (20%), Eastern Europe (15%), South America (10%), Domestic Market (5%), and other regions. We have 51–100 employees.
How do you guarantee product quality?We always provide a pre-production sample before mass production and conduct a final inspection before shipment.
What products can I buy from LISUN?Goniophotometer, Integrating Sphere, Temperature Chamber, EMI Receiver, Surge Generator, and more.
Why should I choose LISUN over other suppliers?LISUN is a leader in lighting and electrical test instruments, founded in 2003. All products are ISO9001:2015 certified and CE certified. LISUN is a CIE member, and our products have been sold to over 150 countries.
What services and payment terms do you offer?Delivery terms: FOB, CFR, CIF, EXW, DDU. Payment currencies: USD, EUR, CNY. Payment types: T/T, L/C, Credit Card, PayPal, Cash, Escrow. Languages: English, Chinese, Spanish, Arabic, Russian.
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