Basic Info.
After-sales Service
24 Hours Technical Support
Application
Protective Relay Testing
Certification
FDA, CE, CCC
Voltage Output
0-120V Per Phase
Current Output
40A Per Phase
LCD Display
With LCD Display
Customized
Secondary Development Available
Output
Max 120V/30A Per Phase
Digital Input
10 *10-250VDC or Free Contact
Digital Output
8*AC(0.5A,250V) / 8 * DC(0.5A,60V)
Volgage Output
120V Per Phase
Transport Package
Standard Export Wooden Package
Specification
420*360*210
Product Description
Name:Haomai 702 relay protection test set with current injection method for maintanence
Model: RELAYSTAR-702C
Product Description
A newly developed economical relay protection tester in 2023. The equipment can simulate the current and voltage during power system faults, and can be used for the operation, maintenance, debugging, and calibration of power system relay protection devices. It has 4 channels of voltage and 3 channels of current output, with an output accuracy of 0.2%.
Main Features
1) 3-phase current(3×40A) + 4-phase voltage(4×120V) output
2) Both local test and PC remote test available
3) Embedded system with 320×240 LCD screen
4) High performance linear power amplifier
5) 8 binary inputs + 4 binary outputs
6) Independent Aux. DC
7) Powerful software testing function
Product Parameters
Current Generator
Setting Range | 3-Phase AC(L-N) | 3x0…40A |
1-Phase AC(LL-LN) | 1x0…120A |
DC(L-N) | 3x…±10A |
| 3-Phase AC(L-N) | 3x420VA At 40A |
Power | 1-Phase AC(LL-LN) | 1x900VA At 120A |
| DC(L-N) | 3x120VA At 10A |
Accuracy | AC: ≤0.2% |
DC: ≤0.5% |
Voltage Generator
Setting Range | 4-Phase AC(L-N) | 4x0…120V |
1-Phase AC(L-L) | 1x0…240V |
DC(L-N) | 3x…±160V |
Power | 4-Phase AC(L-N) | 4x80VA At 120V |
1-Phase AC(L-L) | 1x100VA At 240V |
DC(L-N) | 3x70VA At 160V |
Accuracy | AC: ≤0.2% |
DC: ≤0.5% |
Auxiliary DC Supply
Voltage Range | 110V/220V(Max.1.5A) |
Power | Max.165VA/330VA |
Digital Inputs
Number | 8 |
Input Characteristics | Idle Contact Or Potential-Free Contact |
Threshold Characteristics | "0":0~6V; "1":11V~250V |
Max. Measuring Time | 0.1ms~9999s |
Time Accuracy | 0.1ms |
Digital Outputs
Number | 4 |
Type | Idle Contact |
Break Capacity | 220VAC/0.5A, 220VDC/0.2A |
General Generators
Frequency | Range: 0~1000Hz(PC Mode), 20~300Hz(Local Mode) |
Accuracy:<10mHz(0~450Hz),<20mHz(450~1000Hz) |
Resolution: 0.01Hz |
Phase | Range: 0~360° |
Accuracy: 0.2° |
Resolution: 0.1° |
Harmonic | Superposition Orders: 1~20(PC Mode), 1~6(Local Mode), |
Distortion: ≤0.5% |
Power Supply
Nominal Input Voltage | Customized (AC 220V/230V±10%, 1-Phase) |
Nominal Frequency | 50/60 Hz |
Rated Current | 10A At 230V / 12A At 115V |
Connection | Standard AC Socket (IEC 60320) |
Environmental Conditions
Operation Temperature | 0 ... +50 °C (+32 ... +122 °F) |
Storage Temperature | -25 ... +70 °C (-13 ... +158 °F) |
Humidity Range | Relative Humidity 5 ... 95 %, Non-Condensing |
Vibration | IEC 60068-2-6(20m/S2 At 10 ... 150 Hz) |
Miscellaneous
Weight | 22kg(48.50 Lb) |
Dimensions (W X H X D, Without Handle) | 400×300×180mm(15.75x11.81x7.09 In) |
Connection Port | For PC Connection |
Detailed Photos
Company Profile
HAOMAI ELECTRIC POWER AUTOMATION is established in 1999 and located in Wuhan of China, which is specialized in developing and manufacturing electrical power test and measurement instruments. HAOMAI products are widely used in power grid, petrochemical, metallurgy, railway, coal mine, research institutes and all kinds of large-scale factories or enterprises.mainly focuses on the sales and services of Protection Relay Test System, CT/PT Analyzer, Battery Load Tester, Transformer Testing Equipment, Circuit Breaker Analyzer, Partial Discharge Detector etc. electrical power test and measurement instruments.
HAOMAI follows total quality criteria, and always maintains standardized process and procedures for continuous growth. HAOMAI has been certified by ISO 9001:2015, ISO 14001:2015 and OHSAS 18001:2007.
HAOMAI builds own RELAYSTAR laboratory and performance test laboratory, and possesses professional production equipment and testing instruments in factory, such as Agilent 34401A 6 1/2 High-precision Meter, FLUKE Multi-meter, EMH Standard Meter, CLOU Standard Power Source, Oscilloscope, Phase Meter, Insulation Test System, High Voltage Dividers, AC High Voltage Generator, Time Calibration Tester, Standard Micro-resistance etc.
HAOMAI is China well-known mark recognized and approved by State Administration for Industry & Commerce of People's Republic of China, and enjoys high reputation in domestic and foreign markets.
HAOMAI now is the key supplier for SGCC(State Grid Corporation of China) and CSG(China Southern Power Grid). Till 2018 HAOMAI products have been sold to 34 different countries.
HAOMAI always sticks to the faith of "cooperation and sharing", takes the "technology and market" as the direction, "creation and innovation" as the soul, listens to clients carefully, and improves the technology, upgrades the products, optimizes the service and tries all to be the global leader in electrical power test and measurement instruments field.
Certifications
Address:
Haomai Building No. 1, Wuhan University Science Park Road, East-Lake Hi-Tech Development District, Wuhan, Hubei, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Electrical & Electronics, Instruments & Meters, Manufacturing & Processing Machinery, Service
Management System Certification:
ISO 9001, ISO 14000
Company Introduction:
Wuhan HAOMAI Electric Power Automation Co., Ltd(HAOMAI for short)
Brand: RELAYTESTAR
Established in 1999;
Located in Wuhan China
Chinese sales amount(year 2017): $30, 000, 000+USD
Oversea sales amount(year 2017): $9, 000, 000+USD
HAOMA owned building: 35000 square meter
Employees: Total 150+ people,
Doctor degree: 1;
Master degree: 12+;
Bachelor degree: 50+;
Sales channels:
20 sales agents in China;
2 sales and technical agents in Asia
1 international sales branch company in Shenzhen
Technical support:
10+ well trained technical engineer 7*24 hours stand by.
Oversea technical support available
Main products:
1-6 phase relay protection testing system with high accuracy amplifier:
RELAYTESTAR-1600; RELAYTESTAR-1200; RELAYTESTAR-806; RELAYTESTAR-802; RELAYTESTAR-702; RELAYTESTAR-703; RELAYTESTAR-2000; RELAYTESTAR-406 and etc:
CT PT VT analyzer for protection/measuring CT/VT
CTP100P; CTP120P; CTP200P etc.
DC system testing equipment for substation
FDT110/220; FD110/220
Manufacture info:
Working capabilities: 2000+ sets/year
Certification: ISO9001; ISO14000;
Area: 2000 Square meter