Power Excellence for Life-Safety Facilities

Hospital & Healthcare
Power Solutions

Mission-critical power systems engineered for healthcare facilities. From operating theaters to MRI suites, we deliver IEC 60364-7-710 compliant solutions that protect life.

Healthcare Electrical Landscape

Modern hospitals operate round-the-clock with diverse electrical demands spanning life-critical systems, precision diagnostic equipment, and patient comfort infrastructure. Unlike conventional commercial facilities, healthcare facilities cannot tolerate power interruptionsβ€”even momentary outages can compromise patient safety.

The complexity increases with specialized departments requiring distinct power characteristics: operating rooms demand zero-interruption power with instant transfer, MRI suites need noise-free environments, and laboratory equipment requires stable voltage with harmonic conditioning.

99.99%
Uptime Target
<0.15s
Transfer Time
35dB
Max Noise (MRI)
2N
Redundancy

Critical Challenges in Hospital Power

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Power Continuity

IEC 60364 categorizes hospital loads into groups 0, 1, and 2. Group 2 (operating theaters, ICU) requires sub-second transfer with 2N redundancy. Any interruption risks patient life.

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2N Redundancy

Dual-transformer, dual-bus configurations eliminate single points of failure. Complete fault tolerance requires independent power paths, parallel UPS systems, and dual generators.

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Harmonic Management

MRI, CT scanners, and UPS systems generate harmonics affecting sensitive medical equipment. THDi must remain below 5% per IEEE 519 standards for imaging accuracy.

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Low-Noise Transformers

MRI and NMR equipment require vibration-free power below 35dB(A). Standard transformers create electromagnetic interference affecting imaging accuracy.

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Emergency Transition

Automatic transfer systems (ATS) must switch to generator power within 15 seconds while maintaining voltage stability for sensitive equipment.

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Isolation Monitoring

Medical IT systems require continuous insulation monitoring with alarms at 50kΞ© threshold. Early detection prevents catastrophic failures during procedures.

Our Healthcare Power Solutions

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Low-Noise Dry-Type Transformers

SCB13 and SCB14 series transformers specifically designed for hospital environments:

  • β€’ Noise levels: 35-45dB(A) depending on model
  • β€’ Aluminum/Copper windings available
  • β€’ Class F insulation, thermal endurance rated
  • β€’ Cast resin encapsulation for EMI reduction
  • β€’ IEC 60076-11 compliant
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Medical IT Systems

Isolated power systems for operating theaters and critical care areas:

  • β€’ 1:1 isolation ratio for each critical circuit
  • β€’ Continuous insulation monitoring (CIM)
  • β€’ Alarm at 50kΞ©, danger at 20kΞ©
  • β€’ RMS current measurement per circuit
  • β€’ IEC 60364-7-710 group 2 compliant
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ATS-Compatible Switchgear

Intelligent switchgear with integrated automatic transfer:

  • β€’ 0-15 second programmable transfer delay
  • β€’ Dual-source input with priority switching
  • β€’ Remote monitoring and control via Modbus TCP
  • β€’ Load shedding for non-critical circuits
  • β€’ IEC 62271 certified assembly
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Healthcare UPS Solutions

Double-conversion online UPS for critical care:

  • β€’ True online double-conversion topology
  • β€’ N+1, N+2, or 2N configurations
  • β€’ Extended runtime battery options
  • β€’ Harmonically pure output (THDi <3%)
  • β€’ Parallel capability for expansion

Product Categories

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Dry-Type Transformers

SCB13 (standard efficiency) and SCB14 (low-noise) series for hospital indoor installations.

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Switchgear & ATS

MV/LV switchgear with integrated automatic transfer systems and intelligent load management.

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UPS Systems

Online UPS solutions with N+1/2N redundancy for operating theaters and ICU facilities.

Technical Specifications

ParameterSCB14 Low-NoiseMedical IT SystemATS Switchgear
Rated Power160-2500 kVA10-100 kVA per circuit630-4000 A
Voltage ClassUp to 36kV230/400V single-phase12kV/24kV incoming
Noise Level35-45 dB(A)N/A (passive)<55 dB(A)
Impedance4-6% (customizable)Isolation transformerN/A
Insulation ClassClass F (155Β°C)Class B (130Β°C)Class F
Transfer TimeN/A<0.5s (to UPS)0-15s programmable
StandardsIEC 60076-11IEC 60364-7-710IEC 62271
EnclosureIP20/IP31IP20IP31-IP54

Standards & Compliance

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IEC 60364-7-710

Requirements for electrical installations in medical locations. Defines group 0, 1, and 2 classifications with specific requirements for each area type.

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IEC 60076-11

Dry-type power transformers. Specifies temperature rise, insulation levels, sound levels, and short-circuit withstand for cast resin transformers.

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HTM 06-01

UK Health Technical Memorandum for electrical services in healthcare premises. Provides detailed guidance beyond IEC for UK healthcare facilities.

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NFPA 99

US National Fire Protection Association standard for health care facilities. Requires essential electrical systems with branch Circuit categorization.

CASE STUDY

Regional Medical Center β€” Middle East

Facility
800-Bed General Hospital
Total Load
15 MVA (Dual-Feed)
Location
GCC Region

This flagship project serves as a referral center for the region, requiring uninterrupted power across all departments including 12 operating theaters, 120-bed ICU, and advanced imaging center with 3 MRI units and 2 PET-CT scanners.

Solution Delivered: Ziyao provided a complete 2N redundancy system with dual 7.5MVA transformer substations, redundant MV switchgear with integral ATS, isolated power systems for all group 2 locations, and online UPS for critical care. The SCB14 low-noise transformers were specially selected for MRI suite installations.

Result: Zero unplanned downtime in 3 years of operation. The facility achieved JCI accreditation on first attempt, with inspectors particularly noting the robustness of the electrical infrastructure.

Key Metrics

Technical Support
Zero Downtime
15 MVA
Total Capacity
12
OR Suites
<0.15s
Transfer Time

Why Choose Ziyao Power

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Specialized Expertise

Healthcare power engineering support with IEC 60364, NFPA 99, and HTM 06-01 requirements.

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Certified Quality

ISO 9001, IEC 60076-11, IEC 62271. Comprehensive testing including partial discharge and noise measurement.

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Custom Solutions

Every hospital has unique requirements. We engineer tailored solutions matching your specific infrastructure.

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Global Delivery

Global export support with local partners for installation, commissioning, and ongoing support.

Frequently Asked Questions

What power redundancy is required for a hospital operating theater?

Operating theaters require IEC 60364-7-710 group 2 classification with minimum 2N redundancy. This means dual-fed power supplies from independent sources with automatic transfer to backup power within 0.5 seconds.

How do medical IT systems differ from standard IT power?

Medical IT systems feature enhanced isolation monitoring with insulation resistance tracking, RMS current measurement per circuit, and automatic alarm upon insulation degradation to below 50kΞ©, critical for protecting life-support equipment.

What transformer noise level is acceptable for hospital MRI rooms?

MRI rooms require ultra-low noise transformers below 35dB(A). SCB14 low-noise dry-type transformers achieve this with noise-dampening enclosures and harmonic filtering.

How quickly must hospital life-safety circuits transfer to emergency power?

Critical life-safety circuits (ventilators, monitors, anesthetic machines) must transfer within 0.15 seconds, meeting IEC 60364 group 0 requirements. ICU and operating theater transfer under 0.5 seconds for group 1 loads.

What harmonics mitigation is required for hospital power systems?

Hospital power systems must meet IEEE 519 standards with THDi below 5% for sensitive medical imaging equipment. Active harmonic filters are recommended for MRI and CT scanner loads.

Do hospitals need separated power systems for different departments?

Yes, IEC 60364-7-710 mandates separate circuits for operating theaters, ICUs, diagnostic imaging, and general wards. Each group has distinct power quality and redundancy requirements.

What certification should hospital power equipment have?

Essential certifications include IEC 60076-11 (dry-type transformers), IEC 62271 switchgear, ISO 9001 manufacturing quality, and compliance with HTM 06-01 (UK) or NFPA 99 (US) based on location.

Can existing hospital electrical systems be upgraded for modern standards?

Yes, most legacy systems can be upgraded with new switchgear, transformers, and monitoring. Ziyao provides retrofit solutions including new SCB13/14 transformers compatible with existing infrastructure.

Ready to Build Your Hospital Power System?

Our engineering team has decades of combined experience in healthcare power infrastructure. From planning to commissioning, we partner with you every step of the way.

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