Nuclear Medicine Equipment Protector
Solve voltage sag depth of 30%-90%
Solve harmonic content of 2nd-63rd orders
Solve three-phase imbalance
Solve voltage rise to ground
Solve neutral line overcurrent
Solve voltage spikes and drops
Solve voltage flicker
Features voltage stabilization function
Products Description
Medical Power Purification Device
This device is specifically designed for purifying the power supply of critical loads in medical systems, providing a comprehensive solution.
Analysis of Power Quality Issues in Medical Systems
Modern medical institutions are constantly introducing new and complex advanced medical equipment, such as magnetic resonance imaging (MRI), whole-body spiral CT scanners, and linear accelerators, to improve the level of medical services. These advanced medical devices contain high-quality computer components and numerous highly sensitive microelectronic devices, placing high demands on power quality.
The goal of the public power grid is to provide reliable and high-quality power, but voltage quality issues such as voltage sags, voltage rises, voltage imbalances, voltage harmonics, voltage phase abrupt changes, and continuous voltage stabilization, as well as current quality issues such as current harmonics, are unavoidable. Hospital power users need to take proactive measures to address these issues.
Voltage Anomalies: For large hospital power systems, the large number of primary load devices and the diversity, randomness, and volatility of hospital power loads lead to problems such as large voltage fluctuations and voltage rises in the power grid. Faults in the power grid/substation facilities or sudden large changes in load can cause voltage sags on the grid side. Voltage sags can lead to medical equipment malfunctions/shutdowns, and abnormal increases in the effective voltage can directly damage equipment. According to authoritative data from EPRI (Electronic Power Research Institute), over 92% of power quality events are voltage sags/boosts, and these have been identified by numerous international and domestic research institutions as the most common events occurring in power systems. Therefore, protecting sensitive equipment against voltage sags/boosts is of paramount importance.
Harmonic issues: The harmonics generated by typical hospital equipment are mainly the 3rd, 5th,and 7th harmonics. It is these equipment that generate harmonics during operation, which affects the hospital's power quality. The affected power quality, in turn, affects the normal use of the equipment, causing medical equipment to malfunction or age prematurely, thus increasing the cost of maintenance and replacement.
Data Sheet
| Electrical parameters | |
| Wiring method | Three-phase four-wire |
| Input voltage | AC240~460V |
| Operating frequency | 50Hz±5% |
| Product specifications | 100kVA, 160kVA, 200kVA, 320kVA, 400kVA |
| Noise | ＜65dB |
| Technical features | |
| Switching devices | IGBT |
| Switching frequency | >20kHz |
| Heat dissipation methods | Intelligent air cooling |
| Heat dissipation control | Adaptive fan speed adjustment |
| Protection functions | Fault bypass, overcurrent, overheat, and overvoltage protection |
| Product Performance | |
| Harmonic filtering range | Low order: 2 to 63 High order: 2 kHz to 20 MHz |
| Overall efficiency | ＞98.5% |
| Full response time | ＜5ms |
| Voltage control range | ±30% |
| Voltage control accuracy | ≤±1% |
| Compensation for three-phase imbalance | Imbalance < 5% |
| Reactive power compensation | Adjustable from -1 to +1 (within the equipment capacity range) |
| Display Interface | |
| Display screen | 7-foot full-color touchscreen |
| Language | Chinese, English, and customizable languages |
| Battery display | Parameter control, system time log, voltage event log, event recording, and data logging |
| Communication interface and protocol type | RS485, Modbus protocol; |
| Environmental conditions | |
| Operating temperature | -25℃~+45℃ |
| Relative humidity | ≤95%, no condensation |
| Altitude | <5000 meters (above 1000 meters, capacity decreases by 1% for every additional 100 meters) |
| Others | |
| Protection level | IP20 rating, other ratings available upon customization. |
| Installation method | Indoor installation. |
Q&A
1. Direct Economic Benefits:
- Energy Saving and Cost Reduction: Overall system line loss is reduced by approximately 15%, power factor penalties are eliminated, resulting in annual savings of approximately 20,000 yuan.
- Reduced Equipment Maintenance Costs: The number of equipment repairs due to power quality issues decreases by over 70%.
- Capacity Release and Investment Delay: After the treatment, the transformer load rate significantly decreases, effectively releasing approximately 20% of capacity and delaying investment in power distribution system expansion.
2. Medical Safety and Operational Assurance (Core Value):
- Elimination of Power Supply Risks: After the treatment, critical areas such as the ICU, operating rooms, and interventional centers have no longer experienced abnormal equipment shutdowns or data loss events caused by voltage dips or harmonic interference, fundamentally ensuring medical safety.
- Improved Diagnostic and Treatment Quality: Provides stable and clean power for precision imaging equipment such as MRI, CT, and DSA, improving image quality and ensuring greater diagnostic accuracy.
- Extended Equipment Lifespan: The superior power environment significantly reduces electrical stress on internal components of core medical equipment, extending their service life.
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