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Medical Isolation Power Supply System

Overview

Medical IT system insulation monitoring device and fault location system is suitable for hospital operating room, ICU (CCU) and other important places, and can provide a safe place for such continuous, reliable power solutions.
Due to growing demands of electronic medical equipment from hospitals, the request of protection for patients from the threat of residual current became the most crucial parts of hospital isolated power supply system.

Applicaiton Scenarios

(1) According to IEC 60364-7-710：2002, hospital medical locations could be devided into Group 0, Group 1 and Group 2 locations. ["Group 2 Medical Location" refers to locations where the applied parts of medical electrical equipment are intended to be in direct contact with patients, and where continuity of power supply is critical. This includes areas like operating theaters, intensive care units [ICU], and other critical care areas.]
(2) A IT power system instead of TN-S system will be used for Group 2 medical locations. [So that no potential leakage current threat happened to vulnerable patients by embeded electrical medical equipment.]
(3) The insulation monitoring, alarm and fault detection for IT power system will be necessary to ensure the whole IT power system's normal running and maintanence.
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Judging by application scenario and function requirement, solution could be devided into 4 basic solution: 
(1) Functional/Economic Insulation Monitoring&Alarm Solution for Operation Room [with/ without insulation fault location function] 
(2) Functional/Economic Insulation Monitoring&Alarm Solution for ICU, NICU, CCU, etc. [with /without insulation fault location function]
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(1) Operating Room IT Power System Diagram Example 

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(2) ICU/EICU/NICU/CCU IT Power System Diagram Example

• Scenario Preset [Opearting Room Insulation Monitoring&Alarm solution with Fault Location]

(1) The target was to monitor one IT power system in the operating room of a hospital. [including insulation level of IT power system, temperature of isolation transformer, current of load and etc.] 
(2) Rated voltage of IT power system was 230Vac. 
(3) 6.3kVA will be enough for the overall IT power system. 
(4) There are 6 1-phase sub circuits [for 6 different medical load respectively] to power up the important equipment in this IT power system. Also, insulation fault location function was requested.

Devices Deployment [Opearting Room Insulation Monitoring&Alarm solution with Fault Location]

Operating Room #1 - IT Power Cabinet #1-1: 
- 1* AITR 6300S Medical Isolating Transformer [For modifying into IT Power System] 
- 1* AIM-M300/SG Medical Insultation Monitor [For monitoring IT system insulation level and monitoring medical isolation transformer]
- 1* AID150 Centralized Alarm and Display Unit [For centralized insulation alarm and monitoring data display] 
- 1* AIL160-6 Insulation Fault Locator [For locating the insultation fault, paired with AIM M300/SG] 
- 1* AHK-0.66/P26 Current Transformer [Paired with AIM-M300/SG for current signal input] 
- 1* HDR-60-24 Power Supply Module [paired with AIM-M300/SG, AID150, AIL160-6 for 100~240Vac power supply input]
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(1) Devices deployment in operating room for insulation monitoring [with fault location function]

• Scenario Preset [Opearting Room Insulation Monitoring&Alarm solution without Fault Location]

(1) The target was to monitor one IT power system in the operating room of a hospital. [including insulation level of IT power system, temperature of isolation transformer, current of load and etc.] 
(2) Rated voltage of IT power system was 230Vac. 
(3) 6.3kVA will be enough for the overall IT power system. 
(4) There are 6 1-phase sub circuits [for 6 different medical load respectively] to power up the important equipment in this IT power system. 

• Devices Deployment [Opearting Room Insulation Monitoring&Alarm solution without Fault Location] 

Operating Room #1 - IT Power Cabinet #1-1: 
- 1* AITR 6300S Medical isolating transformer [For modifying into IT Power System] 
- 1* AIM-M300 Medical Insultation Monitor [For monitoring IT system insulation level and monitoring medical isolating transformer] 
- 1* AID150 Centralized Alarm and Display Unit [For centralized insulation alarm and monitoring data display] 
- 1* AHK-0.66/P26 Current Transformer [Paired with AIM-M100 for current signal input] 
- 1* HDR-60-24 Power Supply Module [paired with AIM-M300, AID150 for 100~240Vac power supply input]
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(1) Devices deployment in operating room for insulation monitoring [without fault location function]

• Scenario Preset[ICU Insulation Monitoring&Alarm solution with Fault Location] 

(1) The target was to monitor one IT power system in the operating room of a hospital. [including insulation level of IT power system, temperature of isolation transformer, current of load and etc.] 
(2) Rated voltage of IT power system was 230Vac. 
(3) 6.3kVA will be enough for the overall IT power system. 
(4) There are 6 1-phase sub circuits [for 6 different medical load respectively] to power up the important equipment in this IT power system.Also, insulation fault location function was requested. 

• Devices Deployment [ICU Insulation Monitoring&Alarm solution with Fault Location]

ICU Room #1 - IT Power Cabinet #1-1: 
- 1* AITR 6300S Medical isolating transformer [For modifying into IT Power System] 
- 1* AIM-M300/SG Medical Insultation Monitor [For monitoring IT system insulation level and monitoring medical isolating transformer] 
- 1* AID150 Centralized Alarm and Display Unit [For centralized insulation alarm and monitoring data display] 
- 1* AIL160-6 Insulation Fault Locator [For locating the insultation fault, paired with AIMM300/SG] 
- 1* AHK-0.66/P26 Current Transformer [Paired with AIM-M300/SG for current signal input] 
- 1* HDR-60-24 Power Supply Module [paired with AIM-M300/SG, AID150, AIL160-6 for 100~ 240Vac power supply input]

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(1) Devices deployment in operating room for insulation monitoring [with fault location function]

• Scenario Preset [ICU Insulation Monitoring&Alarm solution without Fault Location]

(1) The target was to monitor one IT power system in the operating room of a hospital. [including insulation level of IT power system, temperature of isolation transformer, current of load and etc.] 
(2) Rated voltage of IT power system was 230Vac. 
(3) 6.3kVA will be enough for the overall IT power system. 
(4) There are 6 1-phase sub circuits [for 6 medical pendant of ICU bed respectively] to power up the important equipment in this IT power system. 

• Devices Deployment [ICU Room Insulation Monitoring&Alarm solution without Fault Location]

ICU Room #1 - IT Power Cabinet #1-1: 
- 1* AITR 6300S Medical isolating transformer [For modifying into IT Power System] 
- 1* AIM-M300 Medical Insultation Monitor [For monitoring IT system insulation level and monitoring medical isolating transformer] 
- 1* AID150 Centralized Alarm and Display Unit [For centralized insulation alarm and monitoring data display] 
- 1* AHK-0.66/P26 Current Transformer [Paired with AIM-M100 for current signal input] 
- 1* HDR-60-24 Power Supply Module [paired with AIM-M300/SG, AID150, AIL160-6 for 100~ 240Vac power supply input]

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(1) Devices deployment in operating room for insulation monitoring [without fault location function]

Product Selection

product 1osx

AITR Series Medical isolating transformer


- Rated Power: 10kVA/8kVA/6.3kVA/3.15kVA[Optional]

- Rated Input Voltage: 230Vac

- Rated Frequency: 50Hz/60Hz

- Rated Input Current: 45.3A/36A/28.5A/22.5A/14.2A[According to rated power]

- Efficiency: 96%

- Leakage Current: <200μA

- Noise Level: <40dB

- Max Operating Temperature: <40℃

- Temperature Moniotoring Reservation: with 2embeded PT100 Temp. Sensor. 

product 2xb9

AIM300/SG Medical Insulation Monitor 


- Insulation Resistance Measuring Range: 15-999kΩ- Insulation Alarm Ranget: 50-999kΩ 

- Measuring Current: < or = 5uA 

- Measuring Voltage: < or = 12V 

- Temp. Measuring Range: -50~+200ÿ℃ [via 2 PT100] 

- Load Measuring Current Range: 2.1~60A AC 

- Alarm Output: 2 way relay alarm outut 

- Communications: 1-way CAN; 1-way RS485 

- Auxiliary Power Supply: 18~36Vdc 

- Fault Location Detect Signal Generation: Function 

- Alarm Output: 2 way relay alarm outut code /SG 

product 3mna

AIM100 Medical Insulation Monitor


- Insulation Resistance Measuring Range: 10-999kΩ- Insulation Alarm Ranget: 50-999kΩ 

- Measuring Current: < or = 50uA 

- Measuring Voltage: < or = 12V 

- Temp. Measuring Range: -50~+200ÿ℃ [via 2 PT100] 

- Load Measuring Current Range: 2.1~50A AC

- Alarm Output: 2 way relay alarm outut

- Communications: 2-way RS485 

- Auxiliary Power Supply: 220Vac [±10%] 

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AID150 Centralized Alarm&Display Devices


- Communications: RS485 [MODBUS-RTU] 

- Monitor: up to 1~16 AIM100 or AIM300/SG 

- Auxiliary Power Supply: 24Vdc 

- Mount Type: Wall mounted 

- Cut-out Dimension: 74.5mm×158.5mm  

product5wfx

AIL160-6 Medical Insulation Fault Locator


- Fault Location: up to 6 channel fualt locatingcircuits 1-phase

- Fault Locating Response Time: <5S

- Communicaitons: CAN comms [Self-defineprotocol]

- Rated Voltage: 0~242Vac

- Rated Frequency: 45~60Hz

- Auxiliary Power Supply: 18~36Vdc

product 6fc8

HDR-60-24 Power Supply Module


- Input Range: 100~240Vac [1.8A]

- Output Range: 24Vdc [2.5A]

- Installation: 35mm DIN-rail installation 

product 7whk

HDR-60-24 Power Supply Module

- Input Range: 220Vac [± 10%] 

- Output Range: 24Vdc [2.5A] 

- Installation: 35mm DIN-rail installation

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