Programmable DC Power Sources
Our DC Regenerative, Bi-Directional DC Power supplied Souce and Sink DC Power cover a wide range of applications – ideal for battery cycling, battery emulation, EV and aircraft testing, and grid-tied storage.
Caltest Instruments offers high-performance solutions from leading manufacturers such as Tektronix-EA, Gustav Klein (GK).
Tektronix-EA offers up to 96% efficiency, advanced control, and precision for labs and production. Here’s a shorter version. EA-PSB Series delivers 30kW in 4U; EA-PUB/PUL/PU Series up to 60kW in 6U for higher power tests. Scale to 3.94MW.
GK offers high-performance test system MI-TS (Multichannel Infeed test system) which is a multi-channel, highly dynamic, bidirectional DC power supply with continuous and seamless transition from source to sink mode. Its Cost Effective High Power Test system ideal for battery, Motor-Generator testing.
Bi-Directional DC Power supply
EA-PSB Series
Compact DC Power Supply
Up to 3.84MW
Unidirectional, auto-ranging programmable DC power supply up to 15kW in 3U and up to 30KW in 4U chassis, scalable up to 2 MW, with optional water cooling.
Power: Up to 30KW; Parallel up to 3.84MW
Form: Single channel
Voltage: Up to 2000V
Current: Up to 1000A
High Power Bi-Directional DC Single channel
Gustav Klein
I-TS-3840 – DC Source / Sink
Upto 2.6MW
High-dynamic bidirectional power supply built for battery testing and real-time battery emulation.
Power: Upto 650kW
Form: Single Channel
Voltage: Upto +_1500V
Current: Upto +-1200A
Gustav Klein
I-TS-3842- DC Source/Sink
Upto 2.6MW
Power: Upto 660kW
Form: Single Channel
Voltage: Upto +_1500V
Current: Upto +-1200A
Gustav Klein
I-TS-3870 - DC-Source / Sink
Upto 2.6MW
Single-channel limited Test System for battery, fuel cell, and full drivetrain test and emulation workflows.
Power: Upto 650kW
Form: Single Channel
Voltage: Upto +_1500V
Current: Upto +-1200A
Gustav Klein
I-TS-3870-ol - DC Source / Sink + OL
Upto 2.6MW
Power: Upto 650kW
Form: Single Channel
Voltage: Upto +_1500V
Current: Upto +-1200A
Gustav Klein
I-TS-3872 - DC Source/Sink
Lorpem ipsm
Power: Upto 650kW
Form: Single Channel
Voltage: Upto +_1500V
Current: Upto +-1000A
Multi-channel Bi-Directional
DC Power supply
Gustav Klein
MI-TS-3871 - Multi-channel DC Source / Sink
Upto 1.3MW
Multi-channel system for simultaneous, independent testing and emulation of batteries, fuel cells, and drivetrains across multiple channels within a single unit.
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Power: Upto 650kW
Form: Multi Channel
Voltage: Upto +_1500V
Current: Upto +-1200A
Gustav Klein
MI-TS-3871-ol - Multi-channel DC Source / Sink + OL
Upto 1.3MW
Power: Upto 500kW
Form: Multi Channel
Voltage: Upto +_1200V
Current: Upto +-1200A
Select the AC power supply that is right for you
FAQ
A bidirectional DC power supply can both source and sink power, making it ideal for battery cycling, energy storage testing, EV powertrain validation, and regenerative system testing.
Regenerative DC power supplies feed energy back to the grid, improving efficiency up to 96%, reducing energy costs, and minimizing heat dissipation in high-power testing environments.
Yes, DC power sources are widely used for EV battery testing, EVSE validation, motor-generator testing, and grid simulation across automotive and energy sectors in India.
A multi-channel system allows independent control of multiple outputs, enabling simultaneous testing of complex systems such as battery packs, power electronics, and motor drives.
Key factors include voltage and current range, bidirectional capability, efficiency, scalability, control precision, and compatibility with the test application.
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