Delta Elektronika SM15k Series

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Description

Description

Bi-directional constant power

The SM15K Series comprises power supplies with excellent efficiency, stability, and flexibility. Thanks to the constant power output, one power supply can cover up to five ranges of traditional power supplies with a rectangular VI-curve.
As standard, the SM15K series can be controlled via the front, web interface, or Ethernet. This connectivity can be expanded at any time by our interface cards. Furthermore, the Master/slave interface allows parallel operation of up to 60 units to create high-power systems capable of supplying up to 27000 A. More about those high-power systems can be found here.

Bi-directional Power Flow

The SM15K series standard offers bi-directional power flow. The unit can absorb 100% of the power and is symmetric in both quadrants. Voltage and current can be programmed from zero to max. Operated either from the front UI or through the built-in web interface.

Power Regeneration Technology

Delta’s innovative Power Regeneration Technology ensures maximum efficiency, returning full power back into the grid with an impressive efficiency rate, reaching 95%. This eliminates the need for expensive water-cooling systems, resulting in significant cost savings and a smaller carbon footprint. This enables highly efficient and compact test setups for battery, PV, and inverter applications.

Flexible Output

With a flexible constant power output characteristic, the SM15K series seamlessly adapts to varying voltage and current requirements. Its constant output power spans the range of three separate power supplies with a traditional rectangular VI-curve, offering unparalleled versatility and value to users.
Furthermore, the flexibility is enhanced by the Master/Slave interface, enabling parallel operation of currently up to 60 units. This allows for the extension of current output reaching -27000 to 27000 A. The number of units can be easily reconfigured through the use of offered output assembly kits, providing users with greater customization and scalability options.

Exceptional Dynamic Response

The SM15K series boasts an extremely good dynamic response to load changes, recovering its output voltage in just 200 µs after a load change from full positive current to full negative current and vice versa. This outstanding dynamic response allows for rapid load variations while ensuring stable and reliable performance. See the data sheet for more information.

Comprehensive Functionality

Equipped with features such as Ethernet interface, built-in sequencer, PC control software, fine-tune settings, and sink mode, the SM15K series offers comprehensive functionality out of the box. Optional plug-and-play interfaces are available as options for master/slave operation, digital I/O, interfaces, or analog programming.

Delta Elektronika continues its tradition of delivering power supplies with low electromagnetic interference, low audible noise, reliability, and efficiency. The SM15K exemplifies these qualities while offering bi-directional power flow, flexible output, web interface, and plug-and-play interfaces, making it an indispensable tool for a wide range of applications.

Features

  • Flexible output provided by constant power characteristics
  • Excellent dynamic response to load changes
  • EMC surpasses CE requirements: low emission and high immunity
  • Designed for long life at full power
  • Protected against all overload and short circuit conditions
  • Low audible noise due to temperature controlled cooling fans
  • Power Regeneration Technology
  • Modular Master/Slave with use of interface card and output assembly kit
  • All-digital control to adapt regulation to load type
  • Automatic coarse and fine adjusting buttons

Functionalities

  • Symmetrically providing and sinking 15 kW of power
  • Operation on a wide range of 3 phase AC input voltages
  • Efficient power conversion, at least 95 % efficiency at full power
  • Master-Slave mode operation with up to 60 units and 900 kW output power
  • Configuration and use via menu-driven display and web interface

Specification

Specifications

  • Input voltage (3 phase): 342-528 VAC (48-62 Hz)
  • Active Power Factor Correction (PFC): up to 0.996 (at 100% load)
  • Efficiency (sink & source mode): up to 96% (at full load)
  • Output ripple and spikes: from 10 mVRMS / 55 mVPP
  • Regulation: from 2 mV (0-100% load step)
  • Recovery time: from 100 µs (50-100% load step)
  • Programming speed: from 1.5 ms (10-90%)
  • Output voltage and current stability: 50.10-6 / 80.10-6
  • MTBF: 500 000 hrs
  • Operating ambient temperature: -20 to +50 ºC

Standards

  • Emission: EN 61326-1 (class B equipment, for use in domestic establishment)
  • Immunity: EN 61326-1 (for use in industrial and domestic establishment)
  • Safety: EN 60950-1 / EN 61010-1
  • Insulation input / output: 3750 VRMS (1 min.)
  • Protection class: IP20

Dimensions and weight

  • Width: 19 inch
  • Height: 3 U
  • Depth: 591 mm
  • Weight: 27 kg

Downloads

Data sheets Type/Format Size
Data sheet SM15K series           pdf 490.03 KB
Data sheet Interfaces SM15K series           pdf 353.74 KB

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