The PTS 400.3 PLUS is a modular three-phase portable test system, combining a class 0.02% reference standard (PRS 600.3) and an integrated three-phase current and voltage source (PPS 400.3). It is designed for on-site measurements and tests at metering installations, offering enhanced functionality and high measurement accuracy. The system is available in two versions, with the PPS 400.3 providing a maximum current up to 12 A or 120 A.
Function Description
The PRS 600.3 serves as the control module for the PPS 400.3 power source. Both modules are easily assembled and controlled, with the PRS 600.3 automatically recognizing the connected PPS 400.3. This allows for immediate operation and automatic measurement of load curves. The PPS 400.3 can also be operated independently via its RS 232 C serial interface, enabling its integration into stationary test systems.
The PRS 600.3 acts as a Portable Reference Standard and Power Quality Analyzer. Its reference standard is based on digital measurement value retrieval, fast analog-digital conversion, and calculations using fast signal processors. It is used for testing single and three-phase meters, instrument transformers, and installations on-site. As a Power Quality Analyzer, it resolves disputes in contractual applications, performs statistical surveys (including EN 50160 reporting), and troubleshoots power quality problems.
The system supports various clamp-on CTs (100 A up to 3000 A) and current/voltage sensors for high voltage potential, allowing non-contact or intrusive measurements without interrupting the circuit under test.
Key Functions of PRS 600.3:
- Meter Testing: Measures pulse outputs (LED/disc mark/S0) and registers of active, reactive, apparent 1- or 3-phase, 3- or 4-wire energy meters with 3 pulse inputs and 3 pulse outputs.
- Electrical Parameter Measurement: Measures UIφ, PQS, f, PF, including vector diagrams, harmonic analysis, and waveform display.
- Instrument Transformer Testing: Performs CT/PT burden and ratio tests.
- Power Quality Analysis: Detects dips, swells, interruptions, harmonics, interharmonics, signal voltages, voltage unbalance, flicker, and transients (≥ 100µs, 26.7 kHz).
- Simultaneous Testing: Tests up to three meters or registers of a multi-functional meter simultaneously.
- Data Storage: Internal memory for measurement results and customer data, with data storage on a removable Compact Flash memory card.
- Communication: Data transfer and communication via 2 x USB (Type A and B) or 1 x ETHERNET.
- Clamp-on CTs: Independent sets of UCT clamp-on CTs allow service, calibration, or later purchase without factory return.
Key Functions of PPS 400.3:
- Network Independent Generation: Generates any network type (e.g., 3-phase 4-wire Y or Δ, 3-phase 3-wire, 1-phase 2-wire) independent of its supply voltage.
- Harmonic Generation: Optionally generates harmonics in both voltage and current circuits.
- Ripple Control Signals: Optionally generates ripple control signals.
- Load Point Definition: Allows handling and definition of load points with all possible parameters.
- Manual Adjustment: Manually adjusts load points with regulators for Voltage, Current, and Phase Angle.
- User-Defined Slider Screen: Manually adjusts load points with regulators for 3 user-defined values (Voltage, Current, Phase Angle, Base Angle, Frequency).
Important Technical Specifications
PPS 400.3 (12 A / 120 A versions):
- Supply Voltage: 88 V … 264 V AC, 45 … 65 Hz.
- Power Consumption: Max. 300 VA (12 A) / Max. 500 VA (120 A).
- Dimensions (W x H x D): 520 x 195 x 280 mm.
- Weight: 15.2 kg (12 A) / 18.4 kg (120 A).
- Operating Temperature: -10 °C … +50 °C.
- Frequency Range: 45 … 400 Hz.
- Phase Angle Range: -180° … +180°.
- Voltage Source (Phase - Neutral): 3 x 0 V … 3x 300 V / 520 V.
- Current Source (3-phase): 3 x 1 mA … 3 x 12 A (12 A version) / 3 x 1 mA … 3 x 120 A (120 A version).
- Distortion Factor (on linear Load): < 0.5 %.
- Stability (Time base 5 s): Better than 0.05 % / 2 min.
- Load Regulation (0 % - 100 % Load): < 0.01 %.
- Generation of Harmonics: Fundamental frequency range 45 … 65 Hz, Amplitude 2.-6. Harmonics max. 40%, 7.-31. Harmonics max. 10%.
- Safety: CE-certified, IP-40, Isolation protection according to EN 61010-1.
PRS 600.3 (Portable Reference Standard / Power Quality Analyzer):
- Accuracy Class: 0.02 %.
- Displays: Two 8.4” color TFT VGA displays (640 x 480 pixels) with touch screen.
- Voltage Measurement Range (Phase - Neutral): 5 V … 520 V.
- Current Measurement Range (Direct): 1 mA … 12 A, 10 mA … 120 A.
- Current Measurement Range (Clamp-on CTs): UCT 120.3 (10 mA … 120 A), UCT 1000.3 (100 mA … 1000 A), FLEX 3000 (3 A … 3000 A).
- Primary Current/Voltage Measurement: AmpLiteWire 2000A (30 A … 2000 A), VoltLiteWire 40kV (500 V … 40 kV).
- Power Quality Accuracy Class: 0.1 %.
- Dips / Swells / Interruptions: URMS ½.
- Harmonics/Interharmonics: 2 … 64 order.
- Transients: 0.8 kV / ≥ 100 µs (26.7 kHz).
- Communication: USB, Ethernet, Bluetooth.
- Storage: Removable Compact Flash CF card.
- GPS Time Synchronization: Integrated (option).
Usage Features
- User Interface: Two large touch-screen displays allow intuitive operation. A virtual keyboard is used for data input, and an external USB keyboard or mouse can also be connected.
- Functional Buttons (FB): Graphical FBs provide quick access to sub-menus and functions. Cyclic mode FBs allow toggling between states.
- Status Indications: The bottom of the display shows real-time status information, including Bluetooth connection, source control, range indications, and transformer factors.
- Data Input: Numerical and alphanumerical data can be entered via the virtual keyboard or an external keyboard.
- Settings Management: Parameters can be loaded and saved from/to the compact flash card. Default settings can be restored.
- Clock Setup: Supports manual clock setup, GPS time synchronization, NTP time synchronization, and "Any time mode" for flexible time management.
- Communication Setup: Ethernet and Bluetooth configurations are available for network integration and device communication.
- Automatic Test Runs: Allows creation and execution of automatic or step-by-step test sequences for error and energy measurements.
- Power Quality Online Measurement: Configurable for real-time recording and analysis of PQ parameters with trend graphs, tables, or histograms.
- Power Quality Recording: Supports long-term recording on the CF card with flexible configurations for recording and analysis intervals.
- Connection Examples: Detailed diagrams are provided for various connection scenarios, including direct-connected meters, transformer-connected meters, and clamp-on CTs.
Maintenance Features
- Screen Calibration: Both touch screens can be calibrated.
- Keyboard Unlock Password: A password can be set to lock the keyboard, preventing unintended manipulations during long-term recording sessions.
- Screen Saver: The display can be switched off after a selected interval to protect the screen and save energy, especially during long-duration PQ recording.
- Tool-Tip Timeout: Configurable display time for help texts (tool-tips) that appear when an FB is selected.
- Language Selection: Supports loading different language files for tool-tips, menus, and units.
- USB Driver Installation: Instructions are provided for installing the USB driver on Windows 7/8 for PC communication.
- Self-Test: A self-test function measures voltage, current, and active power values to verify the instrument's internal accuracy.
- URef Test (Option): Verifies the stability of built-in DC-reference voltages and Analog Digital Converter (ADC) channels.
- fRef Test: Verifies the stability of the internal time base against an external frequency standard.
- Data Transfer to PC: Supports transferring measurement data and administrative data to a PC via USB, Ethernet, or compact flash card for further analysis and reporting using CALegration software.
- CF Card Handling: Warnings and procedures for safe removal and insertion of the compact flash card to prevent data corruption.
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