China High Quality Miniature Circuit-Breaker Exporters – GDKC-15 Series Circuit Breaker Analyzer – HV Hipot

General Information

High voltage circuit breaker is one of the most important control equipment in the power system. GDKC-15 Series is used to test the dynamic characteristics of high voltage circuit breaker. It is easy to operate, with high accuracy.

GDKC-15 Series

Features

● It is suitable for the mechanical test of all types of SF6 switches, GIS combination appliances, vacuum switches and oil switches.
● Strong anti-interference ability. It can be easily tested and accurately measured in 500KV substation.
● Accelerometer (optional), linear sensor, rotary sensor, easy to install and simple.
● All the data of the switch mechanical characteristic test and the corresponding waveform map are obtained after the switch is actuated once.
● Store the field test data and built-in real time clock, which is convenient for archiving and saving the test date and time.
● With 10.1inch LCD screen, display all data and map, with background light, LCD contrast adjustment and power off memory.
● Friendly menu operation, easy to use. With built-in printer to quickly print all data results.
● Equipped with data analysis management software, which can be operated online with PC, with WORD format file. The test results can be output to all kinds of printers printing test reports to make the field test computerized.
● Open and close velocity selection and user-defined function set according to needs, suitable for the velocity measurement of any type of switches.

Performance

● Time:
12 contacts inherent open (close) time
In phase synchronization
Phase-to-phase synchronization

● Reclosing:
C-O, O-C, C-O-C time,
First open time, first close time, second close time, close-open time, dead time, no current time.

● Bouncing:
Close bounce time, times, process and waveform of each contacts.
Opening rebound amplitude of each contact.
Velocity: velocity at contact just opening and just closing, maximum speed, time-travel characteristic curve.
Travel: total travel, open distance, over travel, overshoot trip, rebound amplitude.
Current: open/close current, current waveform diagram of the open/close coil.
Operating voltage: built-in DC0~300V/20A digital, adjustable power source of breaker, automatically complete LV action test of circuit breaker and measure action voltage value of circuit breaker.
Closing resistance: pre-cast time, pre-pitch waveform and resistance value of the closing resistor of 6contacts. (optional)
Graphite contact: the open, closing time and dynamic waveform of the Siemens graphite contact switch with 3 or 6-way contacts.(optional)
Double-ended grounding: under 3 or 6-way dual-port grounding, it can accurately measure the opening and closing time. (optional)
Static resistance: 1*100A contact resistance measurement.
Dynamic resistance (Pre-insertion resistor): 1*100A change waveform of dynamic resistance during circuit breaker action.

Specifications

● Usage Environment
Input Power: 220V±10%, 50Hz±10%, Air Pressure: 86-106kpa
Temperature: -10-40℃ Humidity: ≤80%RH

● Safety Performance
Insulation Resistance>2MΩ
Dielectric Strength: Shell can withstand power frequency voltage 1.5kV at 1 minute without flashover and arcing.

● The Basic Parameters
Time: Range 20000.0ms, resolution 0.01ms, error 0.5%
Closing resistance: range 10kΩ, min. resolution 1Ω, error 0.5% (optional)
Graphite contact: range 200ms, min. resolution 0.1ms, error 0.5% (optional)
Double-ends grounding: range 200ms, min. resolution 0.1ms, error 0.5% (optional)
Static resistance: range 1uΩ~10mΩ, min. resolution 0.01μΩ, error 0.5%
Dynamic resistance: range 10mΩ, min. resolution 1μΩ, error 0.5%
Test current: DC 50A、100A(3 phase measured at the same time)
Velocity: Range 20.00m/s resolution 0.01m/s error 0.5%
Travel:

Current: range 20.00A, resolution 0.01A
Output power: DC 0-300V digital adjustable/20A (instantaneous working), resolution 1V.
Dimensions: about 360mm (L)* 280mm (W)* 300mm (H)
Weight: about 10kg

Packing List