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Behind the Meter Inverters


The MPS-250 has been optimized for behind-the -meter energy storage applications where reliability and footprint matter. This inverter is designed specially for four quadrant energy storage applications in both grid-tied and microgrid applications.Dynapower’s MPS-250 integrated solution containing all required protective features, as well as AC output breaker and DC disconnect switch to provide a fully integrated solution. This offers end users and energy storage integrators a cost advantage when compared to non-integrated systems that require additional add-on protection.

  • Integrated AC Breaker with Shunt T rip
  • Integrated DC Disconnect
  • Integrated DC Input Fuses
  • Integrated Transformer
  • Black Start
  • Industry Leading Acoustic Signature

Dynamic Transfer To Off Grid Mode

Dynapower’s proprietary patent pending Dynamic Transfer algorithm monitors the grid stability and upon detecting a grid disturbance will disconnect from the grid connection and transition to stand alone mode on the load connection. The transition is seamless to the critical loads and supports 100% phase imbalance in UF mode.

Integrated Solution

Dynapower’s MPS-250 integrated solution containing all required protective features, as well as AC output breaker and DC disconnect switch to provide a fully integrated solution. This offers end users and energy storage integrators a cost advantage when compared to non-integrated systems that require additional add-on protection.

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TWO MODES OF OPERATION

The patent-pending MPS-100 provides two modes of operation — Grid-Tied (PQ-mode) and Stand-Alone (UF mode). In the Grid-Tied mode, the patent-pending MPS-100 controls the AC output real power (P) and reactive power (Q). In Stand-Alone mode, the patent-pending MPS-100 controls the AC output voltage (U) and frequency (F). The system can be started in either mode and the transfer between modes is done dynamically. Advanced controls schemes for multi-unit and microgrid applications are available.

SYSTEM CONTROL

Dynapower’s state of the art control and monitoring platform provides operators with both local and remote operation of the system. In the remote operating mode, a communication link provides autonomous operator control via Ethernet, RS232, or RS485. For local control, Dynapower provides an Operator Interface Terminal (OIT) for error set commands and full system display status.

COMPREHENSIVE SYSTEM MONITORING

The patent-pending MPS-100 provides full system status information including AC output real & reactive power, AC output voltage & frequency and DC battery voltage and DC current readings to the remote operator through feedback signals or through the communication link (via an RTU or PLC). An on-board monitoring system captures error history and grid fault data. System operating information is displayed on the OIT in both local and remote modes of operation.

FAULTS

AC Over Voltage, AC Under Voltage, AC Under Frequency, AC Over Frequency, AC Overload, Over-tempature, DC Over Voltage, DC Over Current, Ground Fault

STANDARDS COMPLIANCE

IEEE 1547, UL 1741, UL Listing

SAFETY FEATURES

Anti-islanding with UL compliant trip points

DC Voltage

350 – 600 VDC

Max DC Current

300 A

DC Voltage Ripple

<1%

AC Line Voltage

480 VAC 3 Phase, +10%, -12%

AC Line Frequency

60 Hz (57-60.5 Hz) Field Settable

Continuous AC Current

120 A RMS

Overload AC Current

144 A RMS

Continuous AC Power

100 kW

Overload AC Power

120 kW

Power Factor

0 – 1.0 Leading or Lagging

Current Harmonics

IEEE 1547 Compliant, <5% TDD

Peak Efficiency

96.0%

Operating Temp

-25 — 50°C

Cooling

Forced Air Cooled

Rated Max Elevation

1,000 Meters Full Power

Enclosure

UL 3R (Outdoor)

Dimensions (HxWxD)

73” x 37” x 34” w/o transformer

Weight

1,545 lbs