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1

I Product technical parameters

1.1 Use environment

Input power

220V±10%

50Hz±10%

Atmospheric pressure

86

106kpa

Temperature:

:-

10

40

Humidity

:≦

80%RH

1.2 Safety performance

Insulation resistance

:>

2MΩ

Dielectric strength: the power supply withstands the power frequency of the cabinet at 1.5KV for 1 minute,

no flashover and flashover

1.3 Basic parameters

1.3.1

Time

When the range is selected from 250-4000ms, the resolution is 0.1ms and the error is 0.1ms ± 1 word;

when the range is 10000-20000ms, the resolution is 1ms and the error is 1ms ± 1 word.

1.3.2

Speed

Range is 20.00m / s, resolution is 0.001m / s, error: ± 0.01m / s ± 1 word

1.3.3

Current

The range is 10A (20A), the resolution is 0.01A, and the error is 1% ± 0.1A.

1.3.4

Closing resistance

The range is 50-2000Ω, the resolution is 0.1Ω, and the error is% 1 ± 1Ω.

1.3.5

Output Power

DC5

270V digital adjustable 10A (20A) (instantaneous operation).

1.3.6

Stroke

Switch type

Range

mm

Resolution

mm

Error

Vacuum circuit breaker

50

0.1

1%±1 word

SF6 circuit breaker

300

Less oil circuit breaker

1000

Table 1

Содержание HZ7411

Страница 1: ...HZ7411 Circuit Breaker Dynamic Characteristic Tester User Manual Huazheng Electric Manufacturing Baoding Co Ltd...

Страница 2: ...ormance 2 2 1 Time 2 2 2 Speed and stroke 2 2 3 Speed and stroke 2 2 4 Current and voltage 2 2 5 Closing resistance 2 III Term definitions 2 IV Panel layout 4 V Menu operation instructions 5 5 1 Data...

Страница 3: ...5 8 4 On site closing and opening control wiring is incorrect or there is a problem in the control loop15 9 2 The instrument prompts Power supply current output exceeds limit over current protection a...

Страница 4: ...lution is 0 1ms and the error is 0 1ms 1 word when the range is 10000 20000ms the resolution is 1ms and the error is 1ms 1 word 1 3 2 Speed Range is 20 00m s resolution is 0 001m s error 0 01m s 1 wor...

Страница 5: ...rrent value and current waveform of the opening closing coil and provides DC5 270V 10A 20A digital adjustable circuit breaker operation power supply automatically completes the low voltage operation t...

Страница 6: ...ition Applicable circuit breaker model 1 10ms after opening before closing Certain oil switches and SF6 circuit breakers 2 5ms each after opening before closing Certain oil switches 3 10ms each after...

Страница 7: ...in the sampling section in the time stroke characteristic curve in the measurement result IV Panel layout Figure 1 No Panel logo Function Description socket Instrument AC220V working power switch and...

Страница 8: ...There are 6 function area buttons on the homepage which are Data measurement File management Brightness adjustment Time calibration System settings and Serial communication Click the buttons to enter...

Страница 9: ...low trip is performed when one of the 12 fractures is closed The user can select the corresponding test mode according to the test requirements and the current fracture state After clicking the mode...

Страница 10: ...external trigger The internal trigger mode is to use the internal DC power of the instrument to drive the on off coil of the device under test In the external trigger mode the internal DC source of t...

Страница 11: ...g time of the device under test b When doing a re closing test it should meet the inherent opening and closing time that is greater than the multiple actions of the device under test Sum of time Reclo...

Страница 12: ...test Enter the corresponding interface by selecting the button in the upper right corner of the figure For example the test data interface contains all the test result data and the graphic analysis c...

Страница 13: ...indicator Or open button to operate Figure 7 Figure 7 Figure 8 5 1 3 Low voltage test If you select the Open Close Low Jump test mode the screen will switch to the Start Test interface in this mode a...

Страница 14: ...ue display areas of t1 and t2 are white Clicking on any one of the white areas will change the background color the background color of t1 becomes pink and the background color of t2 becomes light gre...

Страница 15: ...a special grounding wire Please connect the protective ground of the instrument to the field ground before performing other wiring and operations After the test turn off the power of the instrument r...

Страница 16: ...switch off control power is provided by the instrument disconnect the control power in the switch control box under test usually disconnect the fuse connected to the control power in the control box...

Страница 17: ...de the switch body When the switch manufacturer leaves the factory for speed tests the switches are tested on the switch opening and closing indicators or rotary shafts In this case angle sensors are...

Страница 18: ...tion function to start and the instrument closes and opens the control power has no output Shut down at this time and check the wiring again according to the first item above b The instrument may not...

Страница 19: ...as no DC power output This kind of situation may be caused by the burnout of the power supply insurance of the instrument and the loss of power supply to the entire instrument At this time the replace...

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