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High Voltage AC Dielectric Test System for Transformer Cable Insulation Strength Testing

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Sansion Power Electric Co., Ltd.

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High Voltage AC Dielectric Test System for Transformer Cable Insulation Strength Testing

Input Power : AC 220V / 380V

Model Number : YDJ

Operation Control : Manual / Motor‑driven / Full‑auto / Industrial Computer Control

MOQ : 1 Set

Insulation Medium : SF6 Gas, Transformer Oil, Epoxy Resin

Brand Name : Sansion

Delivery Time : 30 Working Days

Control Mode : Manual / Auto

Payment Terms : T/T,L/C

Packaging Details : Plywood Case

Test Voltage : Single‑stage:50‑500kV；Cascaded connection:200‑800kV

Certification : CE/SGS/EMS/ISO 9001

Rated Capacity : 0.5‑500 kVA

Place of Origin : China

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Product Introduction

The power-frequency withstand voltage test device is designed to verify the insulation strength and withstand capability of high-voltage electrical equipment. It is widely applied in power utilities, industrial and mining facilities, laboratories, and research institutions. The system features a modular two-part configuration, integrating a control unit for test operation and regulation with a high-voltage boost unit for generating the required test voltage.

Product Composition

SXTC Series Transformer Control Box / Console (Control Part)

Models:

SXTC‑I Pointer‑type Control Box
SXTC‑II Digital Display Control Box
SXTC‑III Manual Control Console
SXTC‑IV Electric Control Console
SXTC‑V Intelligent Control Console
SXTC‑VI Industrial PC Control Console

Model	Capacity (kVA)	Power Supply Voltage (V)	Control Mode	Printing Function	Display
SXTC‑I	0.5‑50	220/380	Manual	—	Pointer / Digital Display
SXTC‑II	0.5‑500 (Voltage regulator externally fitted for ≥100kVA)	220/380	Electric	—	Pointer / Digital Display
SXTC‑III	0.5‑500 (Voltage regulator externally fitted for ≥100kVA)	220/380	Full‑automatic	✔	Chinese display, USB interface (optional)
SXTC‑IV	0.5‑500 (Voltage regulator externally fitted for ≥100kVA)	220/380	Industrial PC Control	✔	Computer Display

YD Series Test Transformer (Boost Part)

Model	Insulation Type	Voltage Level	Capacity Range	Control Mode	Remarks
YDQ(Z)	SF6 Gas	Single‑unit: 50‑500kV; Cascade: 200‑800kV	5‑500kVA	Manual / Auto	Matched with intelligent control box/console for intelligent control
YDJ(Z)	Transformer Oil	Single‑unit: 50‑200kV; Cascade: 200‑800kV	2‑300kVA	Manual / Auto	Matched with intelligent control box/console for intelligent control
GTB(Z)	Epoxy Resin	Single‑unit: 50‑100kV; Cascade: 100‑300kV	2‑50kVA	Manual / Auto	Matched with intelligent control box/console for intelligent control

Feature

Flexible Configuration & Broad Compatibility — The control and high-voltage boosting sections can be freely matched to meet different testing voltage and capacity requirements.
Robust and Reliable Construction — Optimized engineering design and a well-structured mechanical layout ensure dependable operation and long service life.
AC/DC Dual-Mode Testing — One system supports both AC and DC withstand voltage tests while maintaining a compact footprint for easier transportation and on-site deployment.
Scalable High-Voltage Output — The equipment can operate independently as a single unit or be connected in cascade when higher test voltages are required.
Versatile Control Solutions — Available control configurations include manual operation, motorized control, fully automatic operation, and industrial computer-based control.
Convenient Data Management — Depending on the configuration, the system can support test result printing, USB data transfer, PC communication, and a bilingual Chinese-English operating interface.
Multiple High-Voltage Transformer Options — Oil-filled, epoxy resin dry-type, SF₆ gas-insulated, and corona-free designs are available to accommodate different test environments and application requirements

FAQ

Q1. What are the main components of the test system?

A: The system consists of two main sections:
• SXTC Series Control Unit — provides voltage regulation, measurement, control and protection.
• YD Series Test Transformer — steps up the input voltage to the required high-voltage test level.
The control section and boosting section can be selected and combined according to the customer's testing requirements.

Q2. What types of SXTC control units are available?

A: The SXTC series provides several control configurations, including pointer-type, digital display, manual control console, electric control console, intelligent control console and industrial PC control. The available configuration depends on the required capacity and level of automation.

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High Voltage AC Dielectric Test System for Transformer Cable Insulation Strength Testing

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