The SEL-735 documentation provides several methods for verifying performance and diagnosing problems.
The SEL-735 Instruction Manual covers necessary safety procedures and hardware installation. 2.1 Hardware Components Connections for voltage and current inputs.
Set to the nominal operating voltage seen directly at the meter terminals (e.g., 120.0 ).
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Export Billing Data: Automate the collection of energy usage metrics for revenue purposes. Maintenance and Troubleshooting
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, measuring harmonics (up to 63rd), flicker, and interharmonics. Data Storage: Includes up to 1 GB of onboard memory for storing years of load profile and disturbance data. Features an optional 5-inch color touchscreen Set to the nominal operating voltage seen directly
The SEL 735 relay offers a range of features that make it a popular choice among power system engineers and operators. Some of its key features include:
Complete User Guide and Technical Reference for the SEL-735 Power Quality and Revenue Meter
Verify physical wiring against the phase diagram; check polarity dots on CTs. SEL-735 Power Quality and Revenue Meter
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Configurable triggers launch high-resolution oscillographic capture when thresholds are crossed. The meter records pre-fault, fault, and post-fault waveforms for root-cause analysis. Waveform and Event Trending
Enter the primary-to-secondary ratio of your PTs. For example, a 14400:120V PT has a ratio of 120 . If no PTs are used, set this value to 1 .
, enabling reliable measurement of harmonics (up to 63rd), flicker, interharmonics, and unbalance. Advanced Recording:
Captures waveform recordings up to 512 samples per cycle and monitors harmonics up to the 63rd order.