01
SAVS For Sag and Short Interruption Recording
products description
The SAVS is a multi-function recorder that includes the features of many separate instruments for monitoring a power system. These include system stability, and power quality. SAVS can be used both on HV and LV bus. The voltages and currents on three phase lines are recorded via standard instrumentation transformers to 16-bit accuracy. The state of protection relays and switchgear can also be monitored via auxiliary switch contacts.
products specification
| Main functions | descriptions | features |
| Sag start time | Real time monitoring and recording | 1s recording before sag |
| Sag end time | Real time monitoring and recording | 30s recording after sag |
| Sag duration time | Real time monitoring and recording | accurately identifying 1ms sag |
| Sag drop depth | Real time monitoring and recording | Monitor, display residual voltage |
| Sag drop rate | Monitor, recording and record the rate of voltage drop | Analyze, calculate sag drop rate |
| Sag current change | Real time monitoring and recording | Monitor and display surge current |
| Sag source identify | Identifying the sag is from the power grid or a load short circuit | Intelligent judgment of sag source |
| Sag phase identify | Discrimination is the sag of 1-phase, 2-phases, or 3-phase | phase separation monitoring |
| Statistics of sag No. | Classify and count the number of sag | Probability and statistical characteristics of sag |
| Statistics of duration | Count the duration of sag | |
| Statistics of depth | Calculate the depth of sag | |
| Solution Recommendation | Recommend a cost-effective solution for sag | Assist customers in developing solutions |
| data export | exported to a USB flash drive or communicated to the backend | Multiple protocols and interfaces |
| Routine PQ monitoring | V、I、power factor、THD、unbalance, etc. | No need other PQ monitors |
products advantage
| No. | items | Main technical features |
| 1 | Technical level (Six major upgrades) |
High sampling frequency: 12kHz → 20kHz (sampling time: 83ms → 50ms)
More duration time recording: -0.2~+3s → -1~+30s (panoramic recording) More duration time when power loss: 10s → 60s Accurate time synchronization function: Beidou or GPS Stronger analysis capabilities: real time analysis of voltage drop rate, type of sag, and reasons for sag Solution Recommendation: Based on the analysis results of panoramic recording, recommend the most reasonable solution |
| 2 | Process level (Four major upgrades) |
Change the touch screen to 10 inches
Improve wiring methods: wiring terminals, wiring methods, etc High strength anti vibration structural design Artwork style full art design |