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Hybrids · Island mode · STS

Energy that never cuts out.

Battery with hybrid inverter, direct PV input and switchover to island mode in under 20 ms, plus static transfer between grid, genset and battery. For processes that cannot stop and sites where the grid does not reach or is not enough.

How it worksDatasheet (PDF)Spanish version
<20ms
Grid-to-island switchover

Power Pro BK112H

100kW
Direct PV input

2 MPPT · up to 1,000 V

112kWh
LFP battery per unit

50 kW AC · 400 V three-phase

8,000cycles
Service life

0.5P, 25 ± 2 °C, down to 70% SOH

How it works

Three functions, one goal: the load notices nothing.

Press "Simulate grid outage" to see how the system switches to supplying the critical load from the battery.

Schematic diagram

Diagram: grid, solar PV and generator supply the critical load through the STS; the battery takes over if the grid fails.GridPVGeneratorSTS+ PCSBatteryChargecritical

Status: Grid available · the battery optimises consumption

Switchover < 20 ms (BK112H)

  1. Hybrid

    DC and AC in a single unit

    The BK112H integrates battery and hybrid inverter with direct PV input: it manages solar PV, grid, generator set and battery at the same time. Configurable self-consumption, backup and surplus export modes.

  2. Island mode

    The plant keeps running without the grid

    If the grid fails, the system forms its own grid and keeps critical loads running until it can resynchronise in parallel in a controlled way.

  3. STS

    Static transfer in milliseconds

    The static transfer switch moves from grid to genset or battery with no moving parts and no noticeable interruption to the load.

BK integration

What we integrate into a hybrid system

The hard part isn't the battery: it's getting grid, genset, solar PV and inverter to work together in milliseconds. We design, test and operate that coordination ourselves.

  • Integrated
  • In the project
  • Optional
How BK EMS operates
  1. 01

    LFP battery

    314 Ah LFP cells: 112 kWh per unit and 8,000 cycles down to 70% state of health.

    Integrated
  2. 02

    Hybrid inverter

    50 kW AC at 400 V three-phase with neutral, and PV input of up to 100 kW with two MPPT trackers, in the same unit.

    Integrated
  3. 03

    STS and static switch

    Automatic transfer between grid, generator and battery in milliseconds, with no interruption to the load.

    In the project
  4. 04

    BMS

    Protects the battery in island mode too, when there is no grid to absorb a fault.

    Integrated
  5. 05

    Detection and suppression

    Integrated detection and aerosol fire suppression in the cabinet.

    Integrated
  6. 06

    BK EMS

    It decides when to charge, when to start the genset and when to export surplus. EMS Pro coordinates multiple sources at the same point.

    Integrated
  7. 07

    Communication and cybersecurity

    RS485, Ethernet and CAN on the unit; encrypted communications and role-based user management in BK EMS.

    Integrated

Power Pro BK112H

Battery, hybrid inverter and island mode in one cabinet.

Air-cooled hybrid: inverter with direct PV input (2 MPPT) and switchover to island mode in under 20 ms. LFP battery, inverter, BMS, EMS, air conditioning and fire suppression integrated and factory-tested.

112kWh
Rated energy
50kW
AC power
100kW
Max. PV input
<20ms
Switchover to island

Battery

Cell
LFP 3.2 V · 314 Ah
Configuration
1P112S
Rated energy
112.53 kWh
DC range / rated voltage
302.4–403.2 V / 358.4 V
Service life
8,000 cycles (0.5P, 25 ± 2 °C, 70% SOH)

PV input

Max. PV input power
100 kW
Max. voltage · MPPT range / rated
1,000 V · 180–850 V / 600 V
Start-up · number of MPPTs
200 V · 2
Max. input / short-circuit current
6 × 45 A / 6 × 55 A

AC side

Rated power
50 kW
Rated voltage
400 V (340–436 V) · 3P+N+PE
Current
79.8 A max. output
Frequency
50/60 Hz (45–55 / 55–65 Hz)
Island mode
Yes · switchover < 20 ms

System

Efficiency
> 86% system
Cooling
Air
Fire suppression
Aerosol
Communication
RS485 · Ethernet · CAN

Environment

Ambient temperature
−20…55 °C
Humidity / max. altitude
≤ 95% RH non-condensing · 2,000 m

Mechanical

Dimensions
1,355 × 1,300 × 2,300 mm
Weight
1,500 kg

Full datasheet and comparison with the rest of the range in Power Pro. For more power, several units in parallel or a BK522 combined with static transfer. Indicative parameters, subject to final design (catalogue, p. 12).

Industrial roof with solar PV panels and power conversion equipment

Self-consumption by day, backup by night, export when it pays.

The same hybrid unit changes mode according to the time, the price and the grid status. The EMS decides.

Applications

Where it makes the difference

Wherever an outage costs more than the battery.

Uninterrupted backup (STS)

Production lines, servers and processes that stop with a micro-outage.

STS + battery

Off-grid systems

Farms, pumping stations, construction sites and remote installations off-grid or on weak grids.

Island mode

Agriculture and irrigation

Diesel gensets running at low load: the battery absorbs the peaks and the genset starts only when it pays off.

PV + diesel hybrid

Industry and C&I

Self-consumption, backup and surplus export with a single unit and a single EMS.

Power Pro BK112H

Safety and certifications

Continuity without surprises.

A system running in island mode has to protect itself. These are the safeguards we integrate.

  • 01

    Controlled parallel start-up

    When the grid returns, the system keeps critical loads running until it reconnects in parallel in a controlled way.

  • 02

    Built-in fire protection

    Integrated detection and aerosol fire suppression inside the cabinet itself.

  • 03

    Secure remote operation

    Encrypted communications, firewall and role-based user access to operate the system remotely.

  • 04

    Grid code

    Adaptation to new requirements, such as the PO 12.3 voltage dip requirements, as part of our O&M service.

Inside a battery cabinet with BMS and protection
Battery cabinet during integration: batteries, BMS and protection.

Standards declared in the datasheet

  • IEC 62933

    Grid-connected energy storage systems

  • IEC 62477

    Safety of power converters

  • IEC 62619

    Industrial lithium battery safety

  • IEC 63056

    Safety of lithium batteries for energy storage

  • IEC 61000

    Electromagnetic compatibility

  • UN 38.3

    Transport of lithium batteries

Standards declared in the Power Pro BK112H datasheet (catalogue, p. 12).

Rest of the range

From cell to container.

See the full range

How much does each outage cost you?

Tell us which loads cannot stop and which sources you have. We design the hybrid system, the STS and the control logic.

Talk to our engineersView products