Advanced LPT15 Series Analyzers for high-voltage transmission line parameters, ensuring grid stability through variable frequency measurement technology.
Optimizing Power System Modelling through High-Accuracy Impedance and Resistance Testing
◆ In the context of long-distance extreme-high-voltage (EHV) and ultra-high-voltage (UHV) lines, accurate power-frequency parameter measurement is critical. However, users often face challenges with what is the blue test button on a circuit breaker and overall system verification. The HANY LPT15 series analyzer solves these issues using variable frequency technology to measure positive and zero sequence impedance with extreme precision.
◆ From an engineering perspective, the all-in-one electronic design removes the need for bulky traditional transformers. By integrating what is the blue test button on a circuit breaker operational logic with advanced Fourier Transformation, the LPT15 ensures that measurements are immune to strong external interference and induction currents up to 100A.
The integration of signal processing and power electronics for maximum field reliability.
Utilizing digital filtering to ensure results remain consistent regardless of environmental noise.
All-in-one electronic design replacing traditional heavy transformers for field portability.
Optimized workflow for rapid field testing and data acquisition.
Relative performance and application distribution based on typical deployment data.
Precise parameters for the LPT15 series power frequency transmission line analyzer.
| Parameter | Range/Value | Resolution | Accuracy | Condition | Unit |
|---|---|---|---|---|---|
| Capacitance Range | 0.1～30 | 0.01 | ±(1%C+0.01μF) | 1～50μF | μF |
| Resistance Range | 0.5～400 | 0.01 | ±(1%Z+0.01Ω) | 1～400Ω | Ω |
| Impedance Angle | 0～360 | 0.01 | ±0.3° | Standard | deg |
| DC Resistance | 0.02～60 | 0.1mΩ | ±(0.2%R+0.2mΩ) | 2A-4A Output | Ω |
| Voltage Range | 10～750 | N/A | ±(0.5%U+0.2V) | Max 750V | V |
| Current Range | 0.5～20 | N/A | ±(0.5%I+0.02A) | Standard | A |
| Induction Voltage | <30 | N/A | Standing | kV | N/A |
| Test Frequency | 42～58 | N/A | Range | Standard | Hz |
Proven performance across diverse industries.
Client required precise measurement of positive sequence impedance for a new 1000kV line under high external interference.
Installation of the LPT15 analyzer to check line phases and DC resistance for a high-capacity industrial park.
Operating the LPT15 in T:-20 to 50°C conditions to measure zero-sequence open circuit impedance of intercontinental lines.
Replaced traditional bulky transformers with the LPT15 for faster commission of a city-center power hub.
Tailored solutions for demanding environments.
Measuring power-frequency parameters for extreme-high-voltage lines to ensure stability in long-distance transmission.
Specialized testing for ultra-high-voltage networks where reactance dominance makes traditional measurement difficult.
Performing comprehensive phase checks and DC resistance measurements for industrial cable systems.
Rapid validation of coupling inductors and capacitors during the commissioning phase of power hubs.
Regular monitoring of transmission line parameters to prevent failures and optimize power flow modelling.
Deployment in large-scale energy projects requiring high-precision zero-sequence impedance data.
Every analyzer undergoes rigorous Fourier Transformation accuracy tests to ensure zero-drift in variable frequency modes.
Units are tested against induction currents up to 100A to verify the absorption feedback circuit's effectiveness.
Full-spectrum calibration across -20°C to 50°C to ensure field reliability in extreme climates.
Committed to delivering precise electrical instrumentation for critical power infrastructure.
Expert answers to common technical and commercial inquiries.
The LPT15 is designed for measuring power-frequency parameters of EHV and UHV transmission lines, specifically positive/zero sequence impedance and DC resistance, to facilitate accurate power system modelling.
By using variable frequency and Fourier Transformation, the analyzer can isolate the desired parameters from reactance-dominated signals and eliminate the impact of external interference common in UHV environments.
Yes, the unique absorption feedback circuit allows the tester to withstand induction currents from 10A to 100A without requiring an external anti-jamming suppression device.
It significantly reduces the weight and size of the instrument compared to traditional inverter/frequency transformer structures, making it highly portable for remote field operations.
Yes, an optional built-in Bluetooth module allows engineers to operate the analyzer via mobile phones or tablets, improving operator safety by maintaining distance from high-voltage equipment.
Data is displayed on an LCD screen, stored in a large-capacity memory (up to 1024 sets), and can be transferred via USB drive for computer analysis or printed directly via the high-speed thermal printer.
Contact our engineering team today for a technical consultation and a tailored quote for the LPT15 Series.
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