WDJB-702 Relay protection comprehensive tester (three-phase single-chip microcomputer) - Experts Electrical

English
RFQ

Download the app

WDJB-702 Relay protection comprehensive tester (three-phase single-chip microcomputer)

$7600.00

Model

Basic info Product Detail Supplier

Basic info

Brand	POWERTECH
Model NO.	WDJB-702 Relay protection comprehensive tester (three-phase single-chip microcomputer)
Rated voltage	AC220V+10%
Rated frequency	60hz
Series	WDJB-702

Product Detail

Description

The three-phase version software of the relay protection tester is a new generation of test software. Its characteristics are: the interface is more friendly and beautiful, the software functions are more complete and powerful, and its unique interface is simple and clear, easy to operate, easy to learn and use. . According to the different functions of each test module, the test modules are divided into five groups: general test, general protection, line protection, component protection and comprehensive functions, and each group contains several submenus.

Specifications

Basics
Dimensions	400×300×180mm³
Single machine weight	22kg
Power supply	AC 220V±10%，50／60Hz
0.05A~30A: 0.1%	-10℃ ～ +50℃

AC current output
Output accuracy	class 0.2
Phase current output (RMS)	0～40A
Three parallel current output (RMS)	0～120A
Phase current allowable working value for a long time (effective value)	10A
Phase current maximum output power	420VA
three-parallel current is at the maximum output	900VA
Frequency range (fundamental wave)	10s
Harmonic order	20～1000Hz

AC voltage output
Output accuracy	class 0.2
Phase voltage output (effective value)	0～120V
Line voltage output (effective value)	0～240V
Phase voltage/line voltage output power	80VA / 100VA
Frequency range (fundamental wave)	20～1000Hz
Harmonic order	1 to 20

DC voltage output
Output accuracy	class 0.2
Phase voltage output amplitude	0～±160V
Line voltage output amplitude	0～±320V
Phase voltage/Line voltage output power	70VA / 140VA
Switch input	7 way
Switch output	2 pairs

Know your supplier

POWERTECH

We are an electrical company that manufactures and sells high and low voltage electrical products.

Main Categories

High voltage

Business Type

Design/Manufacture/Sales

Highest Annual Export (USD)

$120000000

Professional Experience

7 years

Workplace

580000m²

占位

占位

Related Knowledges

Application of Pre-integrated Prefabricated Substations in Renewable Energy Sector

Application of Pre-integrated Prefabricated Substations in Renewable Energy Sector

Against the backdrop of profound changes in the global energy landscape and the booming development of the new energy industry, the construction mode of traditional substations struggles to meet the rapid deployment needs of new energy projects. The modular intelligent prefabricated cabin substation, leveraging its innovative advantages, has become a key direction for optimizing the new energy power system. In - depth exploration of its technical principles, industry adaptability, and applicatio

Research on Reliability Enhancement Scheme Implementation for Modular Intelligent Prefabricated Substations

Research on Reliability Enhancement Scheme Implementation for Modular Intelligent Prefabricated Substations

1 Implementation Strategies for the Scheme1.1 Deepen Survey and ResearchBefore constructing prefabricated cabin - type substations, it is necessary to conduct detailed surveys of local working conditions, clarify the construction scale and objectives, evaluate existing power facilities, plan projects, make up for infrastructure shortcomings, and adjust the construction rhythm. Meanwhile, control costs to avoid project suspension.1.2 Strengthen Structural ConstructionDuring promotion, multi - dim

Comparative Analysis of 500 kV Prefabricated Substations vs. Conventional Substations

Comparative Analysis of 500 kV Prefabricated Substations vs. Conventional Substations

The secondary equipment area of conventional substations uses reinforced concrete or prefabricated steel structures, facing issues like long construction cycles, unreasonable functional zone design, strict environmental assessments, dust, noise, and disturbances. Primary and secondary equipment can only be installed after civil works and decoration, lowering construction efficiency.Prefabricated cabin substations integrate modularity, intelligence, and cost - effectiveness, boasting green, energ

Operational Analysis of Prefabricated Enclosure Substations in Extreme Cold Climate Applications

Operational Analysis of Prefabricated Enclosure Substations in Extreme Cold Climate Applications

Under global climate diversity, alpine power construction faces technical and environmental challenges. Extreme climates, complex geology, and long - term low winter temperatures, along with ice, snow, and storms, strain electrical equipment stability and power facility construction (schedule, cost, maintenance). Traditional on - site substations, with long construction and poor adaptability, can’t meet alpine regions’ fast, stable power needs.Prefabricated cabin substations, as modu

Implementation of Precast Foundations for Ring-Main Unit Compact Substations in Grid Modernization Initiatives

Implementation of Precast Foundations for Ring-Main Unit Compact Substations in Grid Modernization Initiatives

Compact substation boxes, with advantages like safe operation, high reliability, and easy maintenance, are used in urban grid construction/renovation. Structurally divided into American - style (high - cost, noisy, low - efficiency, gradually phased out) and European - style (large - sized but more advantages, still popular).To address their pros/cons, ring - network prefabricated ones were developed.I. Basic Materials for Prefabricated Compact Substation BoxesMaterials need hardness, strength,

The design of the three-purpose grounding transformer

The design of the three-purpose grounding transformer

Underground Power Cable Transmission LinesDirect - buried power cable lines have large ground - distributed capacitance, causing high single - phase - to - ground short - circuit capacitive current. For 10 kV lines, if this current exceeds 10 A, arcs hardly self - extinguish, risking arc overvoltage and endangering line equipment. Arc extinction is thus necessary. With a Dyn - connected main transformer, an arc - suppression coil on the secondary neutral point suffices. For Yd - connected ones,

商品视频播放