-
The protection relay panel functions restraining from spread of accident when the electric power equipment and power lines is demaged.
The design and manufacturing of protection relay panel is applied as considering application field and
protection method.
So,the reliability of protection relay is obtained.
We provide and produce product
-
Overview of the constant voltage transformer unit (CVT)
It saturates the second iron cores in the transformer due to residual currents from the leaked reactance and condenser by combining the condenser at the output terminal and leaked ferroresonant transformer and improve the power by generating constant output voltage against fluctuation on
-
Introduction
·Plug in termination
·Cubicle welded enclosure
Standard Spec.
Standard Spec.
Rated voltage(kV)
24
Rated Current(A)
2,000
Rated Frequency(Hz)
50 / 60
Rated short time Current(kA/s)
25
Rated power frequency voltage(kV)
70
Rated impulse
-
Product overview and produced items:The power transformer is widely used in power circuits and the product types and induced cores are different depending on commercial and high frequencies and usages like communication.
The production and supply are done tailor-made and the items are as follows:
> Power Transformer
> Reactor
> Choke Coil
>
-
Introduction
·Puffer interrupters
·The tank is sealed in stainless steel
·Long life time and fully welded
·Low pressure locking devices
·A inter-locking devices
Standard Spec.
Standard Spec.
Rated voltage(kV)
24
Rated Current(A)
600
Rated Frequency(Hz)
50 / 60
Rated
-
Pole Mounted type Transformer
Ratings
kVA : 10 to 167
High Voltage : 11000 to 34400 Grd Y
Low Voltage : 105/210V, 230/460V, 4800V and below
Cycle : 50 / 60Hz
Tap : with or without taps
CSP type Pole Transformer
Ratings
kVA : 5 to 167
High Voltage : 11000 to 34400 Grd Y
Low Voltage : 105/210V, 230/460V,
-
Introduction
Standard Spec.
Rated voltage(kV)
25.8
Rated Current(A)
400
Rated short time Current(kA/s)
12.5
Rated making Current(kA)
32.5
Rated power frequency voltage(kV)
60
Rated impulse withstand
-
The transformer of a large capacity coefficient is necessary for the factory having industrial facilities with electric power transmission, and for the home environment needing electric power. As these transformer cut down expenses of operating and the electric loss through the new technical development according to low noise,loss and
-
Intoduction
Solid Insulation Distribution Transformer(SIDT) represents a major advancement in technology, featuring high short circuit resistance, maintenance-free exterior polymer shell, dielectric system and improvements in operating safety. SIDT is designed for sub-surface installations and high and low voltage connections are thus
-
The transformer of a large capacity coefficient is necessary for the factory having industrial facilities with electric power transmission, and for the home environment needing electric power. As these transformer cut down expenses of operating and the electric loss through the new technical development according to low noise,loss and
-
Introduction
Overall Dimension and Characteristic
? 1F 13,200V / 22,900GrdY-230V, 60Hz
Capacity
(kVA)
No-load Current
(%)
Voltage Regulation
(%)
No-load Loss
(W)
Efficiency(%)
Dimensions(mm)
Total
-
Dong-A pad mounted transformer that is used to properly solve the difficulty in getting power in an overloaded area of the city and to help the city environment remain beautiful. With an aerial power distribution line installed in an underground distribution system, it is very safe and affinitive to the surroundings.
Phase: Single or Three
-
Introduction
Overall Dimension and Characteristic
? 1F 13,200V / 22,900GrdY-230V, 60Hz
Capacity(kVA)
No-load Current(%)
Voltage Regulation(%)
No-load Loss(W)
Efficiency(%)
Dimensions(mm)
Total
-
Dong-A 22.9kV High-Voltage Pole transformers(Single phase)are manufactured in three type as conventional type,completely self-protected(CSP)type according to the distribution system, the transformers may have two high voltage bushing or single high voltage bushings.
We are adopting the wound type core,no-load loss and excting current will be
-
Introduction
Standard Type Pad Mounted Transformer has a structure which is suitable for using the downtown, school, factory area where the electricity is transmitted by the underground cable.
It is safe because of no external exposure of power part and it is produced as a structure which is able to attach protective device to the primary, the
-
Dong-A single bushing transformers(Model:KSC4306)are manufactured in three type as conventional type,completely self-protected(CSP)type according to the distribution system, the transformers may have two high voltage bushing or single high voltage bushings.
We are adopting the wound type core,no-load loss and excting current will be extremly low
-
Introduction
Standard Spec.
Standard of application
Regulation(High efficiency energy using appliance)
or IEC 60076 Power Transformer
Frequency
60Hz
Classification of Insulation
Oil temperature : 60? / Winding temperature : 65?
Temperature rising of winding
High Voltage :
-
Transformer Diagnostics Monitor
Introduction
Integrated diagnostic monitoring system on 110~330kV transformer insulation condition
Very easy to integrate it into existing protection systems
Monitors bushing insulation based on the sum of currents method
Monitors PD caused by bushing and transformer insulation defects
Monitors load
-
Introduction
? Low Loss (Over 75 % reduction in case of no-load loss)
? Excellent disaster prevention characteristic with molded winding of high-degree vacuum
? Miniaturization with the rectangular type winding
2. Standard Spec.
Standard Spec.
Frequency
60Hz
Classification of Insulation
High
-
Transformer Division
?Pole Mounted Type
?Distribution Transformers
?Power Transformers
?Wind Power/Solar Energy
?Special Purpose Transformers
CT/PT Division
?B.C.T. for Transformers
?B.C.T. for HV Circuit Breakers
?Current Transformers
?Potential