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訂貨須知 產品型號、名稱、訂貨數量；
Product model, name, and order quantity;
電流互感器額定交流電流：1A，5A；
Rated AC current of current transformer: 1A, 5A;
控制回路電源電壓等級：AC/DC220V，DC110V，DC48V（可定制）；
Control circuit power supply voltage level: AC/DC220V, DC110V, DC48V (customizable);
開入插件電壓等級：AC/DC220V，DC110V，無源；
Input plug-in voltage level: AC/DC220V, DC110V, passive;
產品優勢 適用范圍Scope of Application
DSP-822 適用于35kV及以下電壓等級的不接地系統、電阻接地系統及直接接地系統的變壓器保護及測控裝置，可組屏安裝，也可在開關柜就地安裝。
DSP-822 is suitable for transformer protection and measurement devices in ungrounded systems, resistance grounded systems, and directly grounded systems with voltage levels of 35kV and below. It can be installed as a panel or on-site in switchgear.
產品特點Product Features
人性化設計界面：大屏幕液晶顯示屏，實時顯示電流、電壓、功率、頻率等電氣量，漢化操作菜單簡單易用，清晰顯示保護動作全過程。
Humanized design interface: Large screen LCD display screen, real-time display of electrical quantities such as current, voltage, power, frequency, etc. Chinese operation menu is simple and easy to use, clearly displaying the entire process of protection action.
出口獨立：所有出口繼電器都單獨使用一個通道，遙控分合、保護跳閘、事故信號、告警信號及其他特殊信號出口均可單獨配置。
Independent export: All export relays use a separate channel, and can be configured separately for remote control opening and closing, protection tripping, accident signals, alarm signals, and other special signal exports.
高集成度：裝置集成操作回路，緊急時可直接對開關進行操作。
High integration: The device integrates an operating circuit and can directly operate the switch in case of emergency.
設計靈活：根據現場情況，可設計成集中組屏式，也可分散安裝于開關柜。
Flexible design: Depending on the on-site situation, it can be designed as a centralized group screen or installed separately in the switchgear.
運行可靠：具有完善的自檢體系及操作記錄。
Reliable operation: With a comprehensive self inspection system and operation records.
應用安裝 
技術參數 主要技術指標Main Technical Indicators
定值精度
電流定值誤差： ≤±2.5%
頻率定值誤差： ≤±0.02Hz
激勵量≥1.2倍定值時，瞬時動作段動作時間： ≤35ms
延時動作段動作時間離散誤差： 不大于±5%或±35ms
遙信量分辨率： ≤1ms
Fixed value accuracy
Current setting error: ≤ ± 2.5%
Frequency setting error: ≤ ± 0.02Hz
When the excitation amount is ≥ 1.2 times the fixed value, the instantaneous action period action time: ≤ 35ms
Discretization error of action time in delayed action segment: not more than ± 5% or ±35ms
Remote signal resolution: ≤ 1ms
遙測量計量等級
電流、電壓： 0.5級
頻率： ±0.01Hz
其他： 1.0級
Remote measurement and measurement level
Current and voltage: 0.5 level
Frequency: ± 0.01Hz
Other: Level 1.0
繼電器輸出
輸出形式：無源接點
觸點容量：8A@250V（AC）；8A@30V（DC）
動作時間：≤8ms
返回時間：≤5ms
Relay output 11
Output form: Passive contact
Contact capacity: 8a@250v (AC); 8a@30v (DC)
Action time: ≤ 8ms
Return time: ≤ 5ms
資料下載
| 文件名 | 產品類型 | 下載 |
|---|---|---|
| DSP-822變壓器保護測控裝置 PDF文檔 | 產品手冊 | 文檔下載 |
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