undefined
Product Center
TianshuiNDXCY-V Inter-frequency Line Parameter Tester
Category:
TianshuiCable and Overhead Line Inspection Series
Phone: 0512-66101666
Product Description
■ Product Overview
This instrument can accurately measure various high-voltage transmission lines. ( Power-frequency parameters for overhead lines, cables, mixed overhead–cable systems, and multi-circuit configurations on the same pole ( Positive-sequence capacitance, zero-sequence capacitance, positive-sequence impedance, zero-sequence impedance, mutual inductance and coupling capacitance, interphase capacitance, etc. )。
It adopts an integrated structure with a built-in variable-frequency power supply module, enabling frequency‑ and voltage‑adjustable power output. Utilizing digital filtering technology, it effectively eliminates interference from power‑frequency electric fields, fundamentally resolving the challenge of accurate measurements in the presence of strong electric field disturbances.
■ Product Features
Strong anti-interference capability, capable of operating when the ratio of out-of-band signals to power-frequency signals is 1:10 Accurate measurement under the specified conditions.
External wiring is straightforward: a single connection to the test circuit’s lead suffices to perform all line‑parameter measurements, thereby fully addressing the issues inherent in conventional testing methods—such as cumbersome wiring changes, interference, stability, and accuracy.
The instrument employs a high-speed microcontroller as its core, integrating the test power supply, measurement instruments, and computational algorithms into a single unit, thereby condensing the functionality of an entire truckload of equipment into one compact device.
The instrument employs 8 A color touchscreen display and an embedded miniature Chinese-character printer for printing results.
The instrument testing process is rapid; the device performs the test automatically, completing the measurement of a single sequence parameter in one minute, thereby reducing the overall test duration. 20 Can be completed in minutes using traditional methods. 1 The day’s workload.
High measurement accuracy, with effortless suppression of power‑line frequency and spurious interference, enabling high‑precision measurement of weak signals.
■ Technical Indicators
Input power supply | Three-phase AC380V ± 10% | ||
Maximum output voltage | AC300V Accuracy :1% | Maximum output current | 5A |
Output signal frequency | 47.5 Hz/52.5 Hz; 50 Hz/50 Hz | ||
Measurement range | Positive-sequence capacitance Zero-sequence capacitance Coupling capacitor | Positive-sequence impedance Zero-sequence impedance Mutual inductance reactance | Impedance angle |
0.1-50 mu F | 0.5-400Ω | 0 ° ~360 ° | |
Measurement resolution | 0.01 mu F | 0.01Ω | 。0.01 |
Measurement accuracy | 0.2 mu F~1 mu F Time ± 3% ± 0.05 mu F 1 mu F~50 mu F Time ± 1.5% ± 0.03 mu F Time | 0.5Ω~1Ω Time ± 3% ± 0.05Ω 01Ω~400Ω Time ± 3% ± 0.03Ω | ± 0.2 ° ( Voltage >1.0V) ± 0.3 ° ( Voltage >0.2~1.0V) |
External dimensions | 620 mm x 500 mm x 600 mm ( With wheels ); Weight :79kg | ||
Anti-interference parameters | Interference voltage : Longitudinal induced voltage after connecting to the instrument’s test power supply <350V; Interference current : When the two ends of the line are short-circuited and grounded <40A; Can be expressed as the ratio of the instrument’s output signal to the interference signal. 1:10 Stably and accurately complete the test under the specified conditions. | ||
Instrument operating environment | Ambient temperature :-15 °C ~+40 °C Relative Humidity :<90% | ||
Contact Us
National Service Hotline: 400-027-8938
Mobile (Manager Chen): 133 9714 9829
Address: Building No. 5, Donghu High-tech Industrial Innovation Base, No. 9 Miaoshan Avenue, Miaoshan Development Zone, Jiangxia District, Wuhan City
Scan it
Follow the official mobile website