| Prod Model: |
GST |
| Application: |
Audio |
| Phase: |
Three |
| Coil: |
Core-type Transformer |
| Cooling Method: |
Dry-type Transformer |
| Winding Type: |
Separated Winding Transformer |
| Usage: |
Isolation Transformer |
| Brand: |
Gridstone |
Product Description
Features 1. Galvanic isolation between the stabilizer and the main power supply
2. Change the voltage grade
3. Improve the balance of the phase voltage and provide a steady neutral point.
4. Protection from voltage surge and cancel the triplen harmonics.
Specification | Capacity | 1KVA-3000KVA |
| Voltage Grade | <= AC1140V |
| Input Voltage range | Rated voltage ±10% |
| Output Voltage | Rated voltage ±3% when input voltage is at the rated voltage. |
| Frequency | 50Hz or 60Hz |
| Dielectric Strength | 3500V / 10mA / 60s |
| Loading capability | When the transformer is 100% loaded, it can take 3 times current in short time. |
| Insulation | ≥100MΩ ( DC 500V ) |
| Insulation Grade | F |
| Working Temperature | -15°C--+45°C |
| Humidity | <95℅ |
| Temperature increase | <100K |
| Noise | <55db |
Successful Projects:Time
| Customer | Product | Solution for the problem |
| Feb.2018 | Siemens | AVR/Transformer 800kVA | Regulate the voltage for the product testing in Siemens factory of frequency converter. |
| Feb. 2018 | GE | AVR 200kVA;
Isolation transformer 150kVA, 100kVA | Provide stable power For GE medical equipment in Philippines |
| Jan.2018 | Siemens | Combined unit of AVR and Transformer 200kVA;
Isolation transformer 150kVA, 100kVA | Provide stable power for Siemens medical equipment in Philippine |
| 2011 to now | Elekta
(famous medical equipment company from Sweden) | 150kVA Digital Static AVR
120pcs per year. | Stabilize the voltage for their medical equipment. |
| Oct. 2017 | Borgwarner | OptiV Plus voltage optimizer / stabilizer
2500kVA, 2pcs | To provide stable voltage to the production line and save energy |
| 2013 | CRRC | Air cooling Automatic voltage regulator 800kVA | Regulate and stabilize the voltage for production and testing for China High Speed Trains |
| Dec.2014 | China National Chemical Engineering Co.Ltd. | OptiV Plus voltage optimizer / stabilizer
2500kVA, 2pcs | This is to provide safe and stable voltage for projects to destroy the Japanese chemical weapons left during World War II. Save the energy cost. |
| June. 2014 | Shanghai Yunyang | OptiV MAX voltage stabilizer
1250kVA, 2pcs | Stabilize the power for the stadium.Save the energy cost. |
| June 2014 | McQuay International | OptiV Plus voltage regulator / optimizer
2500kVA , 1pc | Regulate the voltages for the production of air conditioners. Drop the voltages to 380V, Save the energy cost. |
| 2013 | China ZSHD | Smart Static AVR combined with Isolation Transformer.
OptiV MAX
200kVA, 300kVA | Regulate voltage for production of chemical products. |
| June 2013 | OKUMA
(Japan) | Air cooling AVR 100kVA | Regulate input voltage for OKUMA Numerical Control Machine |
| 2014 | Befficient (Australia) | Smart control AVR 150kVA, 200kVA, 400kVA | Optimize the voltages for the customers for energy saving. |
Product Details
Company Profile:
Founded in 1983, GridStone Electric is a leading manufacturer of automatic voltage stabilizer and transformer. The products currently include digital static voltage stabilizer, digital servo voltage optimizer, power factor correction units, LV and MV transformers and reactors, UPS, Variable Frequency Power Source, Oil Immersed Induction Voltage Regulator. Thanks to over 30 years in the business and on going technical research, GridStone have become a competitive high-tech company, and meet the requirements of a constantly growing number of customers through design, production and service.
Besides standard production, GridStone is flexible and strong at custom design and production according to the customers' specification. Expert training and technical support are available to serve the customers quickly and professionally.
GridStone factories are ISO9001 and ISO14001 certified.
Our History
1983, GridStone factory for automatic voltage stabilizer was started, and th first servo voltage stabilizer in
China was successfully produced.
1985. Gridstone factory for transformer was started
1998. New office and factory of voltage stabilizer were started in Shanghai,China.
2002. The first static voltage stabilizer was released, and massive production started at end of the year.
2008. Brand name "Shanghai Voltage Regulator" was started in China.
2009. New types digital voltage stabilizers were released. These new products are more fast, more reliable
and more intelligent.
2010. The first frequency and voltage regulator with IGBT is released.
2014. New factory for transformer was started.
2016. GridStone brand name is started to be used for all voltage stabilizers and transformers to be sold
abroad.
Founded in 1983, GridStone Electric is a leading manufacturer of automatic voltage stabilizer and transformer. The products currently include digital static voltage stabilizer, digital servo voltage optimizer, power factor correction units, LV and MV transformers and reactors, UPS, Variable Frequency Power Source, Oil Immersed Induction Voltage Regulator. Thanks to over 30 years in the business and on going technical research, GridStone have become a competitive high-tech company, and meet the requirements of a constantly growing number of customers through design, production and service.
Besides standard production, GridStone is flexible and strong at custom design and production according to the customers' specification. Expert training and technical support are available to serve the customers quickly and professionally.
GridStone factories are ISO9001 and ISO14001 certified.
Watch 360 degree video of GridStone factory on computer: http://www.is360.com/GridStone/index.html
(Click mouse on the video and drag the mouse at the same time, the video will turn to different angle and show 360 degree of GridStone factory. )
Our History
1983, GridStone factory for automatic voltage stabilizer was started, and the First servo voltage Stabilizer in China was successfully produced.
1985. Gridstone factory for transformer was started
1998. New office and factory of voltage stabilizer were started in Shanghai, China.
2002. The first static voltage stabilizer was released, and massive production Started at end of the Year.
2008. Brand name "Shanghai Voltage Regulator" was started in China.
2009. New types digital voltage stabilizers were released. These new Products are more fast, More reliable and more intelligent.
2010. The first frequency and voltage regulator with IGBT is released.
2014. New factory for transformer was started.
2016. GridStone brand name is started to be used for all voltage Stabilizers and transformers to Sold abroad.
