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VMHV160K3 ESS – 160 kW Hybrid Solar‑Diesel Energy Storage System with 225 kWh Lithium Battery

General description – VMHV160K3 ESS

The VMHV160K3 ESS is a high‑voltage energy storage system (HV ESS) that combines solar PV, diesel generator and lithium battery in one hybrid, mobile trailer solution with 160 kW rated power and 225 kWh storage.
Designed for off‑grid and weak‑grid applications, it integrates a bidirectional PCS, high‑voltage lithium battery pack, MPPT PV inputs and a 100 kVA Perkins diesel genset to provide reliable, continuous and cost‑efficient power.

Main electrical specifications

  • System rated power: 160 kW.

  • Output voltage: 3‑phase 4‑wire 400/230 V.

  • Frequency: 50 Hz.

  • Operating modes: multimode (off‑grid, grid‑connected, parallel with diesel generator and PV).

PCS (Power Conversion System)

  • Rated output power: 100 kW.

  • Maximum output power: 110 kW.

  • Peak power: 120 kW for 1 minute.

  • AC‑side voltage and frequency: 340–460 V, 50/60 Hz ± 2.5 Hz.

  • Rated output current: 145 A.

  • Maximum charging current: 192 A.

  • Maximum discharging current: 192 A.

  • Maximum efficiency: 98%.

High‑voltage lithium battery pack

  • Battery type: high‑voltage lithium battery for energy storage.

  • Rated battery voltage: 716.8 V.

  • Maximum capacity: 225 kWh.

  • Maximum number of modules: 14.

  • Operating temperature: -20 to 50 °C.

  • Service life: 10+ years (depending on usage conditions).

Bidirectional DC/DC converter & PV section

  • Battery voltage (high‑voltage side): 150–1000 V.

  • Rated power: 50 kW.

  • Rated current (low‑voltage side): 4 × 37.5 A.

  • Rated current (high‑voltage side): 83 A.

  • MPPT trackers: 4 independent MPPT channels for PV optimization.

  • Operating modes:

    • Constant voltage on low‑voltage side,

    • Constant current on low‑voltage side,

    • Constant power on low‑voltage side,

    • Constant voltage on high‑voltage side,

    • Constant current on high‑voltage side.


Integrated diesel genset parameters

  • Diesel generator power: 100 kVA.

  • Voltage: 400 V.

  • Frequency: 50 Hz.

  • Rated current: 145 A.

  • Phase: three‑phase.

  • Engine model: Perkins 1104C‑44TAG2, 1500 rpm.

  • Fuel tank capacity: 680 L for long autonomy.

  • Noise level: 75 dB(A) at 7 m.

  • Cooling method: liquid cooling.

  • Alternator model: Stamford UCI274C.

  • Alternator power: 100 kVA, 400 V, three‑phase, 1500 rpm.

  • Insulation class: H.

  • Degree of protection: IP23.

  • Voltage regulator: AVR.


Monitoring and communication

  • Router: YES.

  • 4G communication: YES (remote monitoring and control).

  • Ethernet: NO.


Mechanical data and logistics

  • Type: VMHV160K3 ESS mobile trailer.

  • Length: 3320 mm.

  • Width: 2170 mm.

  • Height: 2230 mm.

  • Weight: 6 tons.

Container loading:

  • 20 ft container: 1 unit.

  • 40 ft container: 3 units.


Key advantages and benefits

  • Reduces fuel consumption by intelligently combining PV, battery and diesel generator.

  • Lowers operating costs and diesel generator maintenance thanks to fewer running hours.

  • On‑demand diesel start for reduced noise and emissions in sensitive environments.

  • Parallel operation of diesel generator and energy storage to handle higher peak loads.

  • Compatible with the customer’s existing diesel generator in expansion mode for flexible projects.


Typical application scenarios

  • Construction sites and civil engineering projects.

  • Mining operations and remote industrial facilities.

  • Deserts, islands and remote mountainous regions.

  • Temporary bases, emergency power supply and disaster‑relief sites.

  • Nature reserves and historical or cultural heritage sites requiring quiet, clean power.

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