Product descriptionOn load tap changer transformer plays an
important role in power system.It can not only stabilize the load
center voltage, but also connect the power grid, adjust load
current, improve reactive power distribution etc.Its basic
principle is to lead out several taps from the coil on one side of
the transformer, and switch from one tap to another through
OLTC, without cutting off the load current.So as to change the
effective number of turns and achieve the purpose of voltage
regulation.On load voltage regulation technology of transformer is
widely used in distribution system, and also in step-up
transformer of power plant. At present, almost all the large
capacity transformers in the power system adopt on load voltage
regulators,It is also equipped with a perfect low-voltage
distribution network structure and sufficient reactive power
compensation capacity to ensure the safe operation of
the power grid and meet the requirements of customers for power
quality.Product features1.No load voltage regulating transformer
need to adjust the tap of high-voltage side only when the power is
cut off, so as to change the ratio of the transformer to
regulate the voltage at the low-voltage side.Its regulation range
is small, generally within ± 5%, It can only be adjusted once or
twice a year.Most transformers in power system are no-load tap
transformers. 2.The on load tap changing transformer has a special
switch, which can change the tap position without power off
(with load).Its voltage regulation range is large, generally more
than 15% or even up to 30%, and it can be adjusted
automatically for several times a day. 3.No excitation
voltage regulation refers to no-load voltage regulation,which can
be adjusted only when the transformer is off.On load tap chaning
transformer can change the voltage by changing the tap position
when it is on running. 4.OLTC switch has the advantages of frequent
on-off, no spark and long service life.The traditional trigger
circuit of power electronic switch has the problem of
electrical isolation.The application of optical fiber communication
technology to the medium and high voltage trigger control system
can effectively solve the problem of high and low voltage
electrical isolation. Certificates and Products Testing
Reports /* January 22, 2024 19:08:37 */!function(){function
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