AoKu AKH-33 Series High Frequency Transformerless Online UPS (10kVA - 200kVA | 3 Phase In 3 Phase Out)
AoKu AKH-33 Series High Frequency Transformerless Online UPS (10kVA - 200kVA | 3 Phase In 3 Phase Out)
The AoKu AKH-33 Series (10kVA - 200kVA | 3 Phase In 3 Phase Out) is a high-frequency transformerless online double-conversion UPS system engineered for mission-critical data centers and industrial infrastructure. Features 0ms transfer time, PF=1.0 unity power factor (30k-200k), 190V–520V wide 3-phase AC input range, >95.5% efficiency (>98.5% ECO mode), 4-unit N+X parallel redundancy with common battery sharing, 7-inch color touch LCD panel, adjustable 16–40 battery configuration, dual-mains inputs, EPO, and RS232/USB/SNMP smart telemetry.
KEY FEATURES & BENEFITS
Transformerless Double-Conversion Online Topology with 0ms Transfer
Engineered with advanced DSP digital control and transformerless double-conversion online architecture, delivering continuous, ultra-clean 3-phase pure sine wave power (380V/400V/415V) to critical enterprise loads. Zero transfer time (0ms) between utility grid and battery mode eliminates voltage sags, power interruptions, and server reboots.
Unity Output Power Factor (PF=1.0) & >95.5% High Efficiency
Delivers unity output power factor (PF = 1.0) across 30kVA to 200kVA models (e.g., 100kVA = 100kW, 200kVA = 200kW), maximizing active power load capacity for modern IT server racks. Achieves over 95.5% full-load operating efficiency in online double-conversion mode and over 98.5% in ECO mode, significantly lowering datacenter PUE and cooling costs.
N+X Parallel Redundancy & Common Battery Bank Sharing
Supports direct parallel expansion of up to 4 units for N+1 or N+X active redundancy or total capacity scaling up to 800kVA. In parallel mode, connected units can share a common battery bank, dramatically reducing initial battery investment, footprint requirements, and maintenance overhead for enterprise facility expansions.
190V–520V Ultra-Wide 3-Phase AC Input & Active PFC (PF ≥0.99)
Operates seamlessly across an ultra-wide 3-phase input voltage range (190VAC to 520VAC), eliminating unnecessary battery discharges under severe utility grid fluctuations. Active Power Factor Correction (APFC) across all phases achieves an input power factor ≥0.99 and low input current harmonic distortion (THDi <4%), protecting upstream transformers and generators.
7" Color Touchscreen LCD & Dynamic Power Flow Visualizer
Features a large 7-inch color touch LCD screen with an intuitive graphical user interface. Displays real-time dynamic power flow diagrams, phase-by-phase input/output electrical parameters, battery state of charge, alarm logs, and discharge timers for effortless datacenter facility management.
Flexible Battery Scaling (16–40 Pcs) & Dual-Mains Architecture
Provides software-adjustable battery block configurations (16 to 20 blocks for 10k-20kVA; 32 to 40 blocks for 30k-200kVA) and powerful adjustable charging currents up to 54A. Equipped with dual-mains inputs (Mains & Bypass separate supply) and built-in 4-switch maintenance bypass for zero-downtime servicing.
PRODUCT SPECIFICATIONS
| Technical Parameter | AKH-33-10K/15K/20K | AKH-33-30K/40K/60K | AKH-33-100K/120K | AKH-33-180K/200K |
|---|---|---|---|---|
| ⚡ System Capacity & Power Ratings | ||||
| Apparent Power (kVA) | 10kVA / 15kVA / 20kVA | 30kVA / 40kVA / 60kVA | 100kVA / 120kVA | 180kVA / 200kVA |
| Active Power (kW) | 9kW / 13.5kW / 18kW | 30kW / 40kW / 60kW | 100kW / 120kW | 180kW / 200kW |
| Output Power Factor (PF) | PF = 0.9 | PF = 1.0 (Unity) | PF = 1.0 (Unity) | PF = 1.0 (Unity) |
| 🔌 3-Phase AC Input Parameters | ||||
| Nominal Input Voltage | 3 x 380VAC / 400VAC / 415VAC (3Ph + N + PE) | |||
| Input Voltage Range | 190–520 VAC (50% load) 305–478 VAC (100% load) |
3 x 380/400/415 VAC (-30% to +20%) | ||
| Input Frequency Range | 40Hz – 70Hz (Auto-Sensing) | |||
| Input Power Factor / THDi | APFC ≥ 0.99 @ 100% Load ; THDi < 4% at Full Load | |||
| ⚙️ 3-Phase Inverter Output Parameters | ||||
| Nominal Output Voltage | 3 x 380VAC / 400VAC / 415VAC (3Ph + N + PE) ; Steady State ±1% | |||
| Output Waveform & Transfer Time | Pure Sine Wave ; 0ms Transfer Time (Online Double Conversion) | |||
| Total Harmonic Distortion (THD) | ≤ 2% THD (Linear Load) ; ≤ 4% THD (Non-linear Load) | |||
| System Efficiency (AC / ECO) | AC Mode: 95.5% ECO Mode: 98.5% |
AC Mode: 95.5% ECO Mode: 98.5% |
AC Mode: 95.5% ECO Mode: 98.5% |
AC Mode: 94.5% ECO Mode: 98.5% |
| 🔋 Battery System & Smart Charger | ||||
| Nominal DC Voltage / Battery Pcs | ±240VDC (12V x 40 Pcs) (16–20 Pcs Adjustable) |
±240VDC (12V x 40 Pcs) (32–40 Pcs Adjustable) |
±192V to ±240VDC (32–40 Pcs Selectable) |
±192V to ±240VDC (32–40 Pcs Selectable) |
| Max. Charging Current | 1A – 12A (Adjustable) | 1A – 20A (Adjustable) | 24A / 36A (Selectable) | 54A Max. Charging |
| 📐 Physical Dimensions, Cabinet & Environment | ||||
| Cabinet Dimensions (D x W x H) | 592 x 250 x 826 mm | 815 x 300 x 1000 mm | 1000 x 430 x 1200 mm | 1000 x 600 x 1200 mm |
| Net Weight (kg) | 38 kg / 40 kg | 55 kg / 56 kg / 74 kg | 200 kg | 265 kg |
| Display & Human Interface | 7-inch Color Touchscreen LCD Panel + LED Indicators | |||
| Parallel Capability / Ports | Up to 4 Units Parallel Redundancy ; Common Battery Sharing ; RS232, USB, EPO, Intelligent SNMP Slot | |||
Technical Documentation
Access complete industrial specification layouts, installation blueprints, communication protocol guides, and international compliance certifications.
Technical Catalog
Get the AoKu AKH-33 catalog for full electrical specifications, cabinet dimensions, battery configurations, wiring guides, and certifications.
User Manual
Get the AoKu AKH-33 user manual for step-by-step installation, wiring diagrams, LCD settings, warning/fault code solutions, and battery maintenance.
PRODUCT APPLICATIONS
Engineered for large-scale enterprise power protection and industrial facility safety, the AoKu AKH-33 Series 3 Phase In 3 Phase Out Online UPS delivers mission-critical reliability across six key commercial and industrial sectors:
🖥️ Hyperscale Datacenters & Enterprise IT Server Racks
Provides clean 3-phase power, 0ms transfer, and PF=1.0 active load capacity for enterprise server racks, cloud computing nodes, and storage SAN arrays in hyperscale datacenters.
📡 Telecom Core Switching Networks & 5G Base Stations
Powers high-density 3-phase telecommunication switching hubs, fiber optic core infrastructure, and mobile 5G network datacenters with 4-unit parallel redundancy and SNMP monitoring.
🏭 Industrial Automation & Precision Manufacturing Lines
Shields automated SMT assembly lines, CNC machining centers, PLC control cabinets, and semiconductor cleanrooms against utility voltage sags, phase loss, and blackouts.
🏥 Medical Imaging Diagnostics & Hospital Critical Care
Delivers continuous, ultra-pure sine wave power to MRI scanners, CT diagnostic imaging suites, surgical operating theaters, and hospital central data repositories.
🏦 Financial Institutions, Banking & Stock Exchange Systems
Guarantees zero downtime for banking transaction servers, stock trading datacenters, financial clearing hubs, and regional ATM processing networks.
⚡ Commercial Microgrids & Diesel Generator Integration
Pairs seamlessly with commercial backup diesel generators and hybrid solar ESS microgrids, smoothing frequency instability during generator startup transitions.
PRODUCT SOLUTIONS
Technical solution architectures engineered by AoKu Energy to overcome power availability, space constraints, and operational efficiency challenges in global enterprise infrastructure:
⚡ Transformerless 95.5% High Efficiency Solution
AoKu Solution: By utilizing advanced IGBT high-frequency double-conversion topology without internal transformers, the system achieves >95.5% online efficiency (>98.5% in ECO mode), drastically reducing datacenter energy loss and HVAC cooling demands.
📈 4-Unit N+X Parallel Scaling & Common Battery Sharing
AoKu Solution: Enables seamless parallel scaling up to 4 units for redundancy or power expansion up to 800kVA. The common battery sharing architecture allows parallel units to operate off a single battery bank, saving up to 40% in battery CAPEX.
🛡️ 190V–520V Wide Grid Adaptation & Battery Life Protection
AoKu Solution: The ultra-wide 3-phase input voltage range (190V to 520V) allows the UPS to ride through extreme utility grid sags without discharging batteries, preserving battery health and maximizing service life in harsh grid environments.
🔋 Adjustable 16–40 Battery Blocks & 54A Smart Charger
AoKu Solution: Flexible software-configurable battery block settings (16–20 or 32–40 blocks) allow facility engineers to customize battery bank sizing. Powerful charging currents up to 54A ensure rapid recharge of large long-backup battery banks.
📱 7" Touchscreen Visual Control & SNMP Remote Telemetry
AoKu Solution: Combines a 7-inch color touch LCD screen for intuitive local status visualizer with an intelligent SNMP expansion slot for web-based remote telemetry, event logging, and automated shutdown management.
⚙️ Dual-Mains Input & Zero-Downtime Maintenance Bypass
AoKu Solution: Dual-mains input architecture (Mains & Bypass independent feeds) and built-in 4-switch maintenance bypass allow safe technician maintenance and component servicing without interrupting critical load operations.
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