Transformer on-load tap changers

Type CM is a classic on-load tap changer composed by diverter switch & tap selector. It covers the widest application range from small power up to large power transformers. After a long history of operation and modifications, today type ...

Type CMD is designed with state-of-the-art technology and concept. Its unique contact system ensures superior performance for carrying heavy load and enduring short circuit current. In large power and ultra high voltage transformers, ...

Type CV is a typical selector switch structure tap changer, an ideal solution for medium power transformers (up to 110kV) down to distribution transformers. Its compact size allows transformers designers to achieve the most optimal tank design.

Type CVT is an air-insulated tap changer of selector switch design. Its compact size fits well for distribution transformers up to 11kV system. In various highly populated sites or critical facilities, such as urban high rises, airports, ...

Type CZ is an air-insulated tap changer with separate diverter switch and tap selector. Today it is the only on-load voltage regulation solution for dry type transformers of 66kV system. In various highly populated sites or critical facilities, ...

Type CV2 is of selector switch structure, a vacuum version of type CV on-load tap changer. Its mechanical backup contacts design introduces an innovative & practical concept to make both low maintenance and extreme reliability possible ...

Type CM2 on-load tap changer perfectly integrates the proven reliability of type CM and vacuum switching technology. Completely same dimension not only saves the transformer designers from re-designing the transformer for vacuum technology, ...

Type SHZV is a vacuum version of type CMD on-load tap changer. In addition to the features & advantages inherited from CMD, it is designed with an extremely robust and big capacity diverter switch, makes it a natural choice for low maintenance ...

Type HWV externally-­mounted vacuum OLTC is a new vacuum tap changer developed by Huaming. It is composed of diverter switch, tap selector, oil tank and motor drive unit. The diverter switch and tap selector of HWV is consolidated in ...

Type SHGV vacuum on-load tap changer is of combined structure, applicable to SF6 gas insulation regulating transformers, comprising two major parts: diverter switch and tap selector. Tap changer is laid in the transformer gas tank by ...

This Smart Active transformer is equipped with an on-load tap changer that is based on the reactor principle. It is incorporated with a transformer tank with switches that function in specific vacuum cells for avoiding oil contamination, ...

Overview The AE series on-load tapchangers are built on the successful results of the design of the AT range. The AE uses many common parts from the AT including the complete drive mechanism. This range has a maximum of 17 tapping positions ...

Intensity: 400 A
Load voltage: 52 kV

OVERVIEW The AT and ATV range of single compartment units with high-speed resistor transition is designed for three-phase systems with voltages of 44kV and 66kV line end or 132kV neutral end and nominal rated current of 300A. A maximum ...

On-load tap-changer for network applications. Maintenance-free up to 300,000 tap-change operations with no time component Change of vacuum interrupters only after 600,000 tap-change operations Change of the diverter switch insert only ...

Arc-Control System® Extinguishes the arc with absolute reliability Step Protection System® Maximum protection of the diverter switch from overloads Interrupter Exchange Module Reduction of maintenance-dependent loss of production Retrofittable ...

The VACUTAP® VR® type family offers a real alternative to the on-load tap-changers from our extensive OILTAP® R/RM and M program. •Maintenance-free up to 300,000 tap-change operations with no time component. The figure for the VR I HD ...

The on-load tap-changer VACUTAP® VT® with vacuum interrupters serves for setting the ratio of dry-type transformers under load. Electrical lifetime of 500,000 tap-change operations< Mechanical lifetime of 800,000 tap-change operations Simple ...

Compact, three-phase on-load tap-changer for voltage regulation of dry-type transformers Integrated voltage regulator and motor-drive unit Simple handling Moving parts encapsulated to protect against contact The on-load tap-changer VACUTAP® ...

A 300A on-load tap-changer for tapped transformers with medium output rates. Field experience: Over 14,000 in use

On-load tap-changer for network or generator operation, electric arc furnaces, HVDC, electrolysis, inverters, phase shifters and auto transformers Convenient removal of the diverter switch insert makes maintenance easy available with ...

The on-load tap-changer for the highest voltages and transformer output rates.