Single-phase electronic rail-type active energy meter
Single-phase electronic rail-type active energy meter
The single-phase electronic rail-type active energy meter is a new type of single-phase two-wire active energy meter. It adopts microelectronics technology, imported large-scale integrated circuits, advanced digital technology and SMT technology.
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Basic error
| Type | Accuracy | Rated voltage | Rated current | Starting Current | Insulating performance |
| DDS5188 | Class 1.0 | 220V
| 5(40)A,5(80)A, 10(80)A,30(100)A | 0.04% | Frequency AC voltage 2kv lasted 1 minute, the impact voltage 6kv |
Phase balance load
| 0.05Ib | Cosφ = 1 | ±1.5% | 0.1Ib – Imax | Cosφ = 1 | ±1.0% |
| 0.1Ib | Cosφ = 0.5L | ±1.5% | 0.2Ib – Imax | Cosφ = 0.5L | ±1.0% |
| Cosφ = 0.8C | ±1.5% | Cosφ = 0.8C | ±1.0% |
Outline and wiring diagram
Wiring diagram (Type S)
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