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HV Breakout Modules 1.2, 1.2C HV Breakout Module 1.2, 1.2C

HV Breakout Modules 1.2, 1.2C

Single-phase measurement of internal conductor current and voltage

The HV Breakout Modules (BM) type 1.2 have been specially designed for safe and precise single-phase measurement in separated HV+ and HV- power cables. Inner conductor current and voltage are measured directly and the instantaneous power is calculated in the module.

Highlights

  • Measurement of voltage (U) and internal conductor current (I) in HV applications
    • Voltages up to ±1,000 V (measurement range up to ±2,000 V)
    • Currents up to ±800 A (rated), ±1,400 A (peak)
    • Calculation of the instantaneous power in the module
  • Simultaneous EtherCAT® and CAN bus communication
  • Output of voltage, current and instantaneous power with up to 1 MHz measurement data rate each
  • Online power analysis with the Vector eMobilityAnalyzer software
HV Breakout-Modul Type 1.2 and Type 1.2C
HV Breakout Module Type 1.2 and Type 1.2C

Description

The voltage is measured directly. The current is measured via a shunt module which contains differential amplifier as well as temperature sensor and memory for calibration data to perform automatic online temperature compensation.

The HV BM outputs the measurement data including the module-internal temperature values with a maximum data rate of up to 1 MHz via the EtherCAT® interface and simultaneously with a data rate of up to 10 kHz via the additional CAN interface. This enables fast data acquisition via Ethernet with simultaneous data recording via CAN.

The HV BM is inserted into the HV power cables by passing the cables through PG glands into the interior of the module and connecting them there with ring terminals. Alternatively, the cables can simply be installed using customer-specific cable connectors.

With a PowerLok connector system, the HV BM Type 1.2C can be easily connected to the HV lines. This facilitates the quick change of DUTs on the test bench.

By measuring directly in the module, rather than over sensor cables, possible interferences are minimized and the precision of the measurement is increased.

Technical data

HV Breakout Module Type 1.2 HV Breakout Module Type 1.2C
Inputs HV power cable for HV+ and HV-
Number of measured phases 1
HV+/HV- power cable connection PG cable glands Two PL500-connectors
per side
Number of PG glands 2
per side
-
Cable outer diameter From 9 mm to 25 mm
See data sheet
-
Measurement signals Inner conductor current, voltage and instantaneous power
Inner conductor current
(rated current)
From ±50 to ±800 A
Four configurable measurement ranges, depending on mounted shunt module. See data sheet.
Voltage ±100, ±200, ±500, ±1,000, ±2,000 V
For the acquisition of transient overvoltage, the measurement range is dimensioned to ±2,000 V.
Instantaneous power Results from the product of the configured measuring ranges
Power calculation Permanently online with 1 MHz
Measurement data rate
ECAT 1, 2, 5, 10, 20, 50, 100, 200, 500, 1,000 kHz
CAN 1, 2, 5, 10, 20, 50, 100, 200, 500 Hz, 1, 2, 5, 10 kHz
Operating conditions
Housing protection class IP67
Operating temperature range -40 °C to +120 °C
Pollution degree 4
HV Breakout Module Type 1.2 front view
HV Breakout Module Type 1.2 front view
HV Breakout-Modul Typ 1.2 top view
HV Breakout Module Type 1.2 top view
HV Breakout-Modul Type 1.2C front view
HV Breakout Module Type 1.2C front view

Applications

Typical applications for these HV Breakout Modules are measurements on separated HV+ and HV- cables, for example between HV battery and inverter as well as on accessories such as air conditioning compressors, electrical heaters and DC/DC converters.

For the analysis and validation of the high-voltage vehicle electrical system, the HV Breakout Modules are particularly suitable due to their robust design, uncomplicated installation and precise measurement results.

The measured internal conductor currents and voltages form the basis for further analyses with the Vector CSM E-Mobility Measurement System.

Measurement between HV battery and inverter
Measurement between HV battery and inverter

Downloads


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