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Huazheng HZBB-10A User Manual

Huazheng HZBB-10A
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HZBB-10A
Transformer Turns Ratio Tester
Huazheng Electric Manufacturing (Baoding) Co., Ltd
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Huazheng HZBB-10A Specifications

General IconGeneral
BrandHuazheng
ModelHZBB-10A
CategoryTest Equipment
LanguageEnglish

Summary

Preface

Introduction to the Transformer Turns Ratio Tester

Provides an overview of the HZBB-10A tester and its advantages over traditional methods.

Functions and Features of the Transformer Turns Ratio Tester

Precision Inverter Power Supply

Uses three-phase precision inverter power supply, eliminating harmonics for accurate measurements.

Three-Phase Output and Angle Measurement

Measures angle between phases, identifies wiring groups, and tests multi-winding transformers without disconnecting low-voltage side.

Transformer Compatibility

Suitable for Z-type, rectifier, grounding, electric furnace, phase shifting, and balance transformers.

Protective Features

Includes protection against reverse connection, short circuits, and tap switch failures for stability.

Automatic Measurement Capabilities

Automatically measures transformer ratio, error, and tap-changer position after parameter input.

Display and User Interface

Features a 7-inch HD color touch-screen LCD with modular display for clear visibility.

Connectivity and Data Output

Equipped with print output, USB, and RS232 ports for convenient paperless operation.

Durable Construction

Housed in a durable, sealed, waterproof, and shock-resistant plastic box for field use.

Technical Specifications

Ratio and Angle Measurement Range

Specifies the variable ratio range from 0.9 to 10000 and angle measurement from 0 to 360 degrees.

Measurement Accuracy

Provides accuracy specifications for different measurement ranges: ±0.1%, 0.2%, and 0.5%.

Output Voltage and Resolution

The output voltage adjusts automatically based on load; minimum ratio resolution is 0.0001.

Operating Conditions

Specifies power supply (AC 220V), temperature (-10℃~40℃), and humidity (≤85%).

Physical Dimensions and Weight

Details the dimensions (360x290x170mm) and weight (tester 5.9KG, wire box 5.65KG).

Operating Panel and Interface

Control Panel Layout

Describes the HD color LCD screen and its adjustable backlight for displaying menus and results.

High Voltage Side Connection

Instructions for connecting the high voltage side terminals to the transformer's A, B, C, O bushings.

Low Voltage Side Connection

Instructions for connecting the low voltage side terminals to the transformer's a, b, c, o bushings.

Power and Communication Ports

Details AC 220V power input, protective grounding, serial communication, and USB storage.

Operating Instructions

Instrument Startup and Menu Navigation

Explains the main menu options on the instrument's startup interface.

Three-Phase Test Interface

Describes the interface used for performing three-phase transformer tests.

Interface Interaction and Data Input

Details how to interact with interface elements like text boxes and buttons for setting values.

Test Completion and Data Management

Describes the interface after test completion, including options to save or print.

Turn Ratio Test Results Display

Displays the results of a transformer turn ratio test, including ratio, error, and angle.

Date and Time Setting

Explains how to access and modify the instrument's date and time settings.

Data Query and Historical Records

Describes the interface for querying and viewing historical test data.

System Settings and Bluetooth Control

Details system settings like memory management and Bluetooth connectivity for mobile control.

Connecting Method

Three-Phase Transformer Wiring Diagram

Illustrates the wiring connection for a three-phase transformer (Y-d-11).

Single-Phase Transformer Wiring Diagram

Shows the wiring connection for a single-phase transformer.

Z-Type Transformer Wiring Diagram

Depicts the wiring configuration for a Z-type transformer.

Notice

Tap Changer and Data Input

Guidance on inputting tap data and how the instrument calculates error automatically.

Voltage Division and Tapping Interpretation

Explains voltage division, sub-level interpretation, and rated tapping values.

Turn Ratio Calculation for Different Connections

Details turn ratio calculation for star/delta connections and voltage transformer types.

Transformer with Neutral Point

Discusses measurement deviations for transformers with neutral points like YN-d-11.

Tap Changer Files and Low Voltage Levels

Instructions for tap changer files and handling low voltage levels.

Instrument Common Problems and Inspection Methods

Self-Test Procedure for Abnormal Readings

Provides a self-test method and wiring diagram for diagnosing abnormal test results.

Normal Operation Indicator

Explains how a measurement value of 1.0000 indicates normal instrument operation.

After-Sale Service

Warranty and Repair Services

Product warranty for one year and provision of lifetime reparation and technical services.

Packing List

Included Accessories

Lists the main engine and accessories included in the product package.

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