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GYD Drying Type Testing Transformer
Apply to electric resistance strength test for power supply equipment, electrical products and insulating materials. HUAYI improved the similar products a lot and made this new product, which adopts the insulation strength test under DC high voltage of all kinds of HV electric device, electric components, and insulation material in power system, mine industry, researching department.
Introduction

This instrument is also known as the booster, it is the essential device for power generation and supply equipment test, various electrical products test and electric strength test of insulation materials.

Dry Type Test Transformer series produced by our company completely overcome the old-fashioned shortcoming that it is bulky, heavy. Equipped with high-voltage silicon stack produced by our company, the instrument can provide DC high voltage test power supply. Together with the control cabinet (desk), automatic protection micro-ammeter, sphere gap and so on, the instrument especially suits for on-site test and it makes the heavy work become convenient, fast, easy, flexible, and more efficient. Therefore, it is highly praised and appreciated by the customers coming from power systems and large-scale factory and mining enterprises。

GYD series product adopts new material and technology to reduce the volume and weight without compromising performance. It adopts coil winding epoxy vacuum casting and CD - type core wound by cold rolled silicon steel, which reduce the magnetic flux leakage. No need silicone stack for DC withstand voltage test, can get the DC only if install the matching DC HV silicone stack into HV end.
Features

1. Small size, light weight, compact structure, no oil leakage, maintenance-free.

2. Wiring is simple and intuitive, easy to use

3. Insulation reliability.

4. With over-voltage protection function.

Parameters

Impedance voltage ≤12%
Output voltage waveform Sine wave
Surface temperature rise <55℃
No-load current <4%

Model Capacity(kVA) Input voltage(V) Output voltage(kV) Output current(mA) Dimension (mm) Weight (kg)
GYD-1.5/50 1.5 200 or 400 50 30 260×240×450 12
GYD-3/50 3 60 330×280×510 25
GYD-5/50 5 100 330×280×510 37
GYD-10/50 10 200 360×350×850 32
GYD-15/50 15 300 360×350×950 72
GYD-20/50 20 400 360×350×1000 78
GYD-25/50 25 500 430×450×1100 82
GYD-30/50 30 600 430×450×1200 120
GYD-5/100 5 200 or 400 100 50 360×350×1000 72
GYD-10/100 10 100 360×350×1100 75
GYD-15/100 15 150 360×350×1200 78
GYD-20/100 20 200 430×450×1200 82
GYD-25/100 25 250 430×450×1200 110
GYD-30/100 30 300 430×450×1200 120
GYD-15/120 15 120 125 360×350×1100 85
GYD-20/120 20 160 430×450×1200 90
GYD-25/120 25 200 430×450×1200 115
GYD-30/120 30 250 430×450×1200 130



Accessory
Serial Number
Name Amount
1 Test transformer
one
2 Specification one
3 Inspection Report  one
4 Certification
one
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