Types: BSV (Battery Backup Systems) / ZSV (Time-Limited Safety Power Supply Systems)

Key Components

IGBT Rectifier

Features: Sinusoidal current consumption with a power factor (λ) > 0.99.
Functionality: Converts AC input to regulated DC voltage for inverter supply and battery charging.
Battery Testing: Capable of feedback operation for comprehensive battery tests without load disconnection.

Battery (Energy Storage)

Types: Compatible with various battery technologies, providing energy storage for uninterrupted power during mains failures.
Charging: Rapid full recharge within 6 hours post-discharge.

IGBT Inverter

Technology: PWM (Pulse Width Modulation) for precise and stable AC output.
Isolation: Includes isolation transformer ensuring earth-free battery configuration and enhanced safety.

Isolation Transformers

Placement: Integrated within both rectifier and inverter circuits.
Compliance: Designed according to VDE 0558-507 and ÖVE/ÖNORM E 8007 standards.
Benefit: Provides galvanic isolation, reducing electrical noise and enhancing patient safety.

Electronic Bypass

Function: Allows seamless transfer between mains and inverter supply without interruption.
Performance: Zero transfer time (0 ms) ensuring continuous power delivery during faults or maintenance.

Manual Bypass

Configuration: Available in wall-mounted housing or separate cabinets for easy maintenance and servicing.

Features and Benefits

Uninterrupted Power Supply
Zero interruption time during mains failure, ensuring critical medical equipment remains operational at all times.

High Availability and Reliability
Robust design with high-quality components guarantees long service life and minimal downtime.

Efficient Maintenance and Repair
Modular construction with discrete control and monitoring units allows for quick and cost-effective servicing.

User-Friendly Operation
Equipped with a color Touchscreen Display for intuitive monitoring and control.
Provides real-time access to essential measurements and system statuses.

Comprehensive Monitoring
Integrated ring buffer stores up to 512 events, accessible via the touchscreen or RS-232 interface for detailed analysis and troubleshooting.

High Power Capacity
Single-phase systems: Available up to 100 kVA.
Three-phase systems: Available up to 160 kVA (Series 7023 up to 250 kVA).

Excellent Electrical Performance
Sinusoidal current intake minimizes harmonics and reduces stress on the electrical network.
High short-circuit current capacity enables selective fuse tripping, enhancing system protection.

Flexible Operation Modes
Supports both continuous parallel operation and standby parallel operation, adaptable to specific facility requirements.

Technical Specifications (Example)

Input

Voltage: 3-phase 400/230 V AC ±10%, 50 Hz ±5%
Power Factor: > 0.99 from 10% load
Rectifier Power Consumption:
With charged battery: Varies by system rating
During battery charging: Increased consumption for rapid recharge

DC Intermediate Circuit

Voltage: 220 V DC (range 187 – 264 V DC)
Voltage Tolerance: ±1% (IU charging per DIN 41772)

Inverter Output

Voltage: 230 V AC single-phase or 400/230 V AC three-phase
Frequency: 50 Hz ±0.1% (quartz-stabilized) or synchronized to mains
Voltage Stability:
Static: ±1%
Dynamic: ±4% for 100% load change with settling time <4 ms
Overload Capability:
150% for 1 minute
125% for 10 minutes
110% for 20 minutes
Short-Circuit Capacity: High current delivery for 5 seconds as per EN 62040-1
Harmonic Distortion: ≤3% with linear load
Efficiency:
Rectifier: Up to 94%
Inverter: Up to 94.5%
Overall: Up to 88.8%

Environmental Conditions

Operating Temperature: +5°C to +40°C
Humidity: 5% to 85% relative humidity (non-condensing)
Altitude: Up to 1000 meters above sea level at nominal load
Protection Class: IP20 according to EN 60529
Cooling: Forced air cooling (“AF”)

Monitoring and Signaling

Measurements Accessible via Touchscreen:
Rectifier input voltage/frequency
Rectifier output voltage/current
Battery charge/discharge current
Inverter input/output voltage/current/frequency
System output apparent power with peak value storage
Event Logging:
Ring buffer stores up to 512 events, retrievable via RS-232
Remote Signaling:
Potential-free contacts for statuses such as normal load, overload, battery operation, inverter operation, mains operation, and system faults.

Available Options

Battery Configurations:
Different DC link voltages (110 V DC or 372 V DC)
Battery cabinets with integrated fans and monitoring
Acid collection trays for enhanced safety

Control and Monitoring Enhancements:
Control capability for up to 30 external panels
Comprehensive distribution systems integrated within bypass cabinets

Standards Compliance:
Isolation transformers compliant with VDE 0558-507 and ÖVE/ÖNORM E 8007 integrated within bypass cabinets

Scalability and Redundancy:
Parallel operation setups for increased capacity and redundancy

Communication Interfaces:
Support for SNMP, Modbus, and other protocols for seamless integration with building management and monitoring systems

Custom Cabinet Configurations:
Options for special paint finishes
Flexible cable entry points, including top-entry configurations
Installation of vibration dampers (“swing metals”) for winding components