Soken DAC-PBVC-8 - Electronic Burden for Instrument Transformer
DAC-PBVC-8 is a burden device for error tests of both instrument voltage transformers (VT) and current transformers (CT).
The device creates the “specified burden” by specifying both the “burden VA” and the “Burden power factor” for VT or CT to be tested.
DAC-PBVC-8, a compact, lightweight, and power-saving burden with USB and GP-IB interfaces, can help you to accomplish error tests readily and smoothly.
Technical Explanation
DAC-PBVC-8 is an electronic burden combining the advantages of 2 kinds of method: “real burden method” constructed from resistance and reactance, and “imaginary burden method” created by electronic circuitry (patent no. 3162307). This device allows automatic setting of burden at the infinite resolution, though it is difficult for only the conventional real burden method. Because large capacity burdens can be generated using small-capacity electronic burdens, DAC-PBVC-8 has a compact and lightweight body. Furthermore, since the ratio of control capacity becomes small, a stable burden is realized.
Front Panel
- CT Connection Terminals
- VT Connection Terminals
- Voltage Display
- Current Display
- Setting Display
- Ten keypad
- Mode Setting
- MEAS
- Range Setting
Connecting Diagram
- Usable for both voltage transformers (VT) and current transformers (CT).
- Allows the setting of perfectly low burdens (zero burdens).
- Allows the setting in increments as small as 0.001 VA to the maximum of 100VA.
- Lead-wire compensation is available as a maximum of 1 ohm with a four-terminal connection.
- Up to 100 sets of test conditioning parameters can be stored.
General
| Rated Secondary voltage | VT MODE : 110/√3V and 110V | ||||
| Rated Secondary Current | CT MODE : 1A and 5A | ||||
| Test voltage |
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| Burden Power factor | 0.20(lagging) - 1 - 0.80 (leading) | ||||
| Burden VA to be set | 0.000 to 100.0 VA | ||||
| Lead-wire compensation | 0 to 1.000Ω under CT mode | ||||
| Burden setting accuracy | ±4%, (±10% for 1/10 or less of rating) | ||||
| Interface | USB (2.0/1.1) / GP-IB (IEEE488) * | ||||
| Test Frequency | 50/60 Hz | ||||
| AC Source | 100 to 240 VAC ±10%, 50/60Hz | ||||
| Power consumption | About 150VA | ||||
| Operating environment |
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| Accuracy of voltmeter and ammeter | ±(3% reading + 3 digits) | ||||
| Dimensions | W430 x H200 x D450mm (Excluding potions) | ||||
| Weight | Approx. 26kg |
*(simultaneous-use is not possible)
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