Wapower Electrical Technology

Wapower Electrical Technology Supplying medical isolated power supply, K-factor isolation transformers, dry-type transformers, reactors, toroidal transformers and so on

Shenzhen Wapower Electrical Technology Limited Company was established in June 2010, is a high-tech enterprise integrating R&D, production and sales of medical isolated power supply, K-factor isolation transformers, dry-type transformers, reactors, toroidal transformers and so on The business involves wind power, photovoltaic, UPS, APF, data center, railway transportation, medical equipment, indus

trial inverter and other industrial fields. Our company has passed the ISO9001：2008 quality management system certification and the ISO14001：2004 environmental management system certification successively. Our products are also CE, FCC and UL certified. At present, branches and offices have been set up in Hong Kong, Shenzhen, Wuhan, Xian, Beijing and the products are sold across multiple countries and regions in the world.

Phase-shifting rectifier transformer is used in the rectifier of the converter to convert the voltage at the power side ...
08/11/2016

Phase-shifting rectifier transformer is used in the rectifier of the converter to convert the voltage at the power side to the required voltage and isolate the rectifier from the power grid, reducing the waveform distortion’s harm to the power network. The multilevel technology of polyphase rectifier circuit and converter is adopted to increase the pulse number of rectifying equipment and improve power factor. Phase-shifting mode includes star angular shifting, meander line shifting, hexagon shifting and triangle shifting. Rectifying pulse number contains 6, 12, 18, 24, 36.

Technical parameters:
1. Power range ≤2500KVA
2. Dielectric strength: winding - winding, winding - earth 3000VAC / 50Hz / 60s no arcing or breakdown
3. Insulation resistance: cross-core screw rob - earth 500VDC, insulation resistance value ≥100MΩ
4. Noise level < 65db (The testing point's horizontal distance from transformer shall be 1 metre. )
5. Protection grade: IP00
6. Insulation class: H
7. Product standards: IEC726-11 Dry-type power transformer
GBI094.11-2007 Dry-type power transformer
IEEE. C57.12.01-2005 General requirements for dry type power distribution and power transformer

Application environment and conditions:
1, The altitude is not more than 1000 meters and if more than 1000 meters, derating is required.
2, Running temperature: -5 ℃ - 40 ℃, relative humidity is less than 90%.
3, Without harmful gas, inflammable, explosive and conductive dust around.

Inverter output transformer is mainly used in the inverter of the transformer to convert the inverter output voltage to ...
04/11/2016

Inverter output transformer is mainly used in the inverter of the transformer to convert the inverter output voltage to the required load voltage and isolate the load from the inverter. The integrated reactor is combined with the output capacitor to reduce the harmonic content in the circuit and filter the clutters in the carrier, and then restore the sine waveform of output voltage.

Technical parameters:
1, Power range ≤1600KVA
2, Dielectric strength: winding-winding, winding-earth 3000VAC / 50Hz / 60s no arcing or breakdown
3, Insulation resistance: cross-core screw rob - earth 500VDC, insulation resistance value ≥100MΩ
4, Noise level < 65 db (The testing point's horizontal distance from transformer should be 1 metre.)
5, Protection grade: IP00
6, Insulation class: H
7, Product standards: IEC726-11 Dry-type power transformer
GB1094.11-2007 Dry-type power transformer
IEEE.C57.12.01-2005 General requirements for dry-type power distribution and power transformer

Application environment and conditions:
1, The altitude is not more than 1000 meters and if more than 1000 meters, derating is required.
2, Running temperature: -5℃-40℃, relative humidity is less than 90%.
3, Without harmful gas, inflammable, explosive and conductive dust around.

Three phase isolating transformer is mainly used in low voltage distribution system, isolating load from power supply. D...
03/11/2016

Three phase isolating transformer is mainly used in low voltage distribution system, isolating load from power supply. Distribution system is divided into TN, TT and IT. The first T indicates that the neutral point of power transformer is directly grounded. I indicates the neutral point of power transformer is non-grounded(or grounded through high impedance). The second T indicates that the case of electrical equipment is directly grounded, but have no connection with the power grid of ground system. And N indicates that the case of electrical equipment is connected with the grounded neutral wire of system.
TN system: the neutral point of power transformer is grounded and the case of equipment is partially connected with neutral wire.
TT system: the neutral point of power transformer is grounded and the case of equipment adopts protection grounding.
IT system: the neutral point of power transformer is non-grounded but the case of equipment adopts protection grounding.
In the IT system, isolation transformer can prevent electric shock, protect the connected equipment from insulation damage and make the neutral point isolated.

Technical parameters:
1, Power range ≤1600KVA
2, Dielectric strength: winding-winding, winding-earth 3000VAC / 50Hz / 60s no arcing or breakdown
3, Insulation resistance: cross-core screw rob - earth 500VDC, insulation resistance value ≥100MΩ
4, Noise level < 65 db (The testing point's horizontal distance from transformer should be 1 metre.)
5, Protection grade: IP00
6, Insulation class: H
7, Product standards: IEC726-11 Dry-type power transformer
GB1094.11-2007 Dry-type power transformer
IEEE.C57.12.01-2005 General requirements for dry-type power distribution and power transformer

Application environment and conditions:
1, The altitude is not more than 1000 meters and if more than 1000 meters, derating is required.
2, Running temperature: -5℃-40℃, relative humidity is less than 90%.
3, Without harmful gas, inflammable, explosive and conductive dust around.

K-factor transformer is specially designed to withstand harmonic. According to the specifications of ANSI/IEEE C57.110-1...
01/11/2016

K-factor transformer is specially designed to withstand harmonic. According to the specifications of ANSI/IEEE C57.110-1986, K= ∑ LH (PU) h. K-factor ranges from 1 to 50. 1 indicates a linear load(no harmonic) and 50 terribly harmonic environment. The larger the K-factor, the stronger the capacity of eliminating harmonic interference of the transformer http://www.wo-power.com/en/productview.asp?id=14

Technical parameter:
1, Power range ≤1000KVA
2. Switching current ≤ 4Ie
3. Common-mode attenuation ≥120db
4. Dielectric strength: core-winding, winding-shielding, winding-earth 3000 VAC / 50Hz / 60s no arcing or breakdown
5. Insulation resistance: 500VDC, Insulation resistance value ≥ 100MΩ
6. Noise level < 65db (The testing point's horizontal distance from transformer shall be 1 metre.)
7. Protection grade: IP00
8. Insulation class: H
9. Product standards: UL1561：2000 Dry-type general power transformer

31/10/2016

Toroidal transformer, as power transformer and isolation transformer, is widely used in computer, medical equipment, instrument, lighting, etc.

Medical isolated power system(containing isolating transformer, insulation monitor, special sensor, 24V special power su...
28/10/2016

Medical isolated power system(containing isolating transformer, insulation monitor, special sensor, 24V special power supply and remote alarm terminal) is mainly used in operating room, ICU, CCU and other critical places of hospital.

Technical parameters:
1. Rated power: 6.3KVA, 8KVA, 10KVA
2. Power supply: AC220 ± 10% (110 V ±5%)
3. Frequency: 50 Hz - 60 Hz
4. Insulation resistance measuring range: 0-999 KΩ
5. Temperature measuring range: -10 ℃ - 200℃
6. Storage temperature: - 10℃- 45℃
7. Voltage measuring range: 0-1000VAC
8. Current measuring range: 0-999A
9. Load set range: 0-100%
10. Alarm: user defined
11. Alarm output: built-in buzzer and output port
12. Other alarms: panel indicator light alarm indication
13. Alarm output contact driver: 5A / 250VAC, 5A / 30VDC
14. CE, FCC, medical grade certification

Functions and characteristics of IT power supply cabinet:
1. High integration of the related attachments of isolated power supply;
2. Isolated power grid is completely separated from the supply network;
3. Active guarantee of the safety and continuity of electricity use;
4. Real time insulation monitoring;
5. Supporting remote operation and alarm;
6. Working temperature monitoring and automatic heat dissipating function;
7. Load monitoring and early warning;
8. Based on MODBUS RUS communication interface;
9. Matched with powerful PC service program, realizing remote operating management, event recording, report and other functions.

Toroidal transformer, as power transformer and isolation transformer, is widely used in computer, medical equipment, ins...
28/10/2016

Toroidal transformer, as power transformer and isolation transformer, is widely used in computer, medical equipment, instrument, lighting, etc and mainly used in stereo equipment, automatic control equipment, quartz lamp and other fields of household appliances. Toroidal transformer is of excellence price performance ratio, good output performance and antijamming capability.
Technical Parameters:
1. Rated Capacity: 850VA
2. Rated Frequency: 50Hz
3. Phase: Single
4. No-load Voltage: Primary winding: 270V/315V/345V/400V；Secondary winding: 220V/139V；Voltage fluctuation: +10%-15%
6. Rated Current: Primary winding: 3.31A/2.83A/2.58A/2.23A Secondary winding: 2.95A/1.44A
7. Insulation Class: F
8. Working Temperature: -30℃- 60℃
9. Working Altitude: Less than 4000 metres

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86-755-23303751

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