Active Member
|
[China]
Address: No.1207-1, Building #1, the National University Sci-Tech Park of Henan Province, No.11 Changchun Road, Zhengzhou, Henan 450000
Contact name:Tony Han
Zhengzhou Great Electric Co.,Ltd. |
|
|
Single & Three Phase Meter Test Bench MCTB16B
Technical Parameters
| Accuracy class | 0.05, 0.1 (optional) |
| Output Voltage | |
| Range | 3*(1-450V) (P-N) |
| Resolution | 0.01% |
| THD | <0.5% |
| Accuracy & Stability | 0.05% or 0.02% |
| Capacity | ≥ 800VA/phase (20 positions) |
| Current output | |
| Range | 3* (1mA~ 120A), maximum can be 200A |
| Resolution | 0.01% |
| Distortion | <0.5% |
| Accuracy & Stability | 0.05% or 0.02% |
| Capacity | ≥ 2500VA/phase (20 positions) |
| Phase angle | |
| Adjustment range | 0° ~ 360° |
| Resolution | 0.01° |
| Frequency | |
| Range | 45-65HZ |
| Resolution | 0.01HZ |
| Other parameters | |
| Different value of each phase voltage and average value | <0.5% |
| Different value of each phase current and average value | <1% |
| Time base | 1 ~ 9999s |
| Insulation between Voltage circuit vs. Current circuit, Between circuits vs. Earth | ≥ 5MΩ |
| Power supply | 220V or 3×240V/415V±10%, 50/60Hz±10% |
| Ambient conditions | 50C ~ 400C / up to 90% RH |
Features
1) PWM (Pulse width modulation) technology
2) Modular design allows customized configurations on hardware and software, customer-friendly
3) Perform all basic tests like warm up, creep test, start test, basic errors, standard deviation and etc.
4) Perform dial test with pulse counting & timing base with KWH value
5) Mode of tests: Fully-automatic, or manual operation by manual control touch screen (MCU)
6) Able to test all types of single phase and three phase mechanical meters, electronics meters, CT/PT
operated meter, smart meter, closed-link meter, and etc..
7) Error calculation display with reset buttons on each meter position
8) Flexible Quick connector device (QCD) for convenient changeover from three phase meter
to single phase meter
9) Black mark search & capture for rotation disk
10) Able to calibrate mechanical or electronics meters with different constant at the same time
11) Test Records save in database with MDB format or other required format
12) Calibrate parameters including voltage, current of each phase, phase/phase difference,
active/reactive/apparent power of each phase, total active/reactive/apparent power, total power factor,
frequency, etc. with real time display of vector graph
13) Harmonic test 2-21times and analysis/display of harmonic
14) With facilities to test apparent maximum demand recorded in meters and carry out the register test
(the client should provide meter communication protocol for this function)
15) Self-testing function for all phases power, total power stability, symmetry of 3 phase voltage and current
16) PC software (communication by RS232) can realize MIS net interface connection function, can easily
upgrade in the future if necessary
17) Protection: current open-circuit, voltage short-circuit and malfunctions, Auto protection & auto restore
18) Start & Stop button on power source
19) Alarm lights installed on top of power source
20) Can be independent set & output of each phase voltage & current, phase angle
MTB Comprising:
1) Three Phase Reference Standard Meter
2) Three Phase Power Source
3) Meter Mounting Racks
4) MCU (manual control unit, touch screen operation)
5) Scanning Heads
6) Error Processing & Calculation & Indication System
7) PC software, PC, printer, etc..
Technical Specifications
Three Phase Power Source
Voltage Source Output Ranges: 3 x (0-380V) P-N Resolution: 0.01% Distortion: ≤ 0.5% Output Stability: ≤0.05% /3minutes Output power: more than 800VA per phase Setting accuracy of amplitude: 0.05% | Current source: Output range: 3 x (1mA ~ 120A) Resolution: 0.01% Distortion: ≤ 0.5% Output Stability: 0.05%/3minutes Capacity: more than 2800VA per phase Setting accuracy of amplitude: 0.05% | |
Output Phase angle: Adjustment range: 0° ~ 360° Resolution: 0.01° Setting accuracy: 0.05° | Output frequency Adjustment range: 45Hz ~ 65Hz Resolution: 0.01Hz
| |
Other Features
1) Time base: 1 ~ 9999s
2) Insulation between Voltage circuit vs. Current circuit, Between circuits vs. Earth: ≥ 5MΩ
3) Power supply: 240V or 3×240V/415V±10%, 50/60Hz±10%
4) Ambient conditions: Temperature 50C ~ 400C
5) Relative humidity: up to 90%
Meter Rack Configurations
Three Phase Test Racks (16 positions, one rack, two row)
Three Phase Test Rack
Number of positions: 20 (6, 8,10, 12, 16, 32, 40 also available for option)
Two emergency stop switch
Each position consist of: 1 QCD 6 pins + 1 scanning head + 1 meter mounting
+ 1 RS/232/485+1 optical probe (DLMS meter reading)+ communication port + 1 error display (4.5 digits)
+1 BNC pulse port + 1 RESET button + 1 Set of voltage cables+1 ICT
Provision for calibrating standard meter against higher level standard
One serial server
Isolated Current Transformer (ICT) specification:
Accuracy class: 0.01% (0.5C-1-0.5L)
Current Ratio: 1:1 (1mA-120A)
Current output: 3*(0.001-120)A (both primary and secondary)
