Home > Products > Transformer Inspection/Switch Testing Device > NANAO ELECTRIC Manufacture NADQ Series Automatic Capacitance Bridge / Inductance / Current Tester
NANAO ELECTRIC Manufacture NADQ Series Automatic Capacitance Bridge / Inductance / Current Tester
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Product Details
Brand Name: | NANAO ELECTRIC | Place of Origin: | China | Model Number: | NADQ |
Type: | Other, H.V Testing Instrument | External Size: | 500*400*680mm | Protection Level: | IP65 |
Product Description
Product introduction
At present, most power distribution system is generally not neutral point directly grounded , so when the line is single- phase ground fault current flowing through the actual line to ground capacitance is the capacitance current. According to statistics, the distribution network failure is largely due to line single-phase ground when the capacitor is too large to be caused by self- interest arc . Thus, when electricity Statutes 10kV and 35kV system when the capacitor current is greater than 30A and 10A, respectively , shall be equipped with arc suppression coil to compensate for capacitive current , which requires current distribution network capacitance measurements to make a decision. In addition, the distribution network to ground capacitance and the PT will generate parameter with PT error over-voltage , in order to verify that the distribution system will occur and what the nature of PT resonance resonance , it must accurately measure the distribution network for ground capacitance value. The traditional distribution network capacitive current measurement methods are single-phase metal grounding direct method , plus capacitance indirect measurement method, etc. These methods have come into contact with one device , so there is danger test , operate complex , efficient and low defects . NADQ series Automatic Capacitance Bridge / Inductance / Current Tester, directly from the secondary side of the PT measuring capacitive current distribution network , compared with traditional testing methods , NADQ series Automatic Capacitance Bridge / Inductance / Current Tester and one side without dealing with , which is not there is the risk of trial , without doing complicated security measures and wait for lengthy scheduling order , simply measuring line connected to the open delta PT clients can measure the capacitive current data . Triangular openings due from the PT was injected at different frequency test signal weak , so neither will relay protection and PT itself, have any impact , but also to avoid the 50Hz power frequency interference signals, while the output of the tester can be resistant to by 100V AC voltage , if the measurement system is single-phase ground fault occurs , will not damage the PT and tester, eliminating the need to make special security measures to make this work to become safe, simple , fast, and accurate test results , stable and reliable.
Also called name
capacitance current tester, automatic capacitance current tester, capacitance current tester for distribution network
The Characteristics of the products
NADQ Automatic Capacitance Bridge Tester
Products Characteristics
(1) automatic conversion range;
(2) test data storage 7168;
(3) Large LCD (320 × 240 LCD) display, English menu operation prompts;
(4) the realization of waveform and measurement data processing with the screen display, making the testing process more intuitive;
(5) has set up, calibration and debugging features.
Contact Us
- NANAO ELECTRIC (WUHAN) CO.,LTD.
- Contact nameNina. Wong
- Phone86-27-87677658
- AddressHongshang District Wuhan,Hubei
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