訂貨須知Ordering Notice
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;
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(tǒng)、電阻接地系統(tǒng)及直接接地系統(tǒng)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(xiàn)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.
環(huán)境參數Environmental Parameters
工作溫度Operation temperature： -40 ～ 70 ℃
貯存及運輸Storage and transportation： -40 ～ 80 ℃
相對濕度Relative humidity： 5% ～ 90%（內部無凝露 No condensation inside）
額定電氣參數Rated Electrical Parameters
額定交流電流： 5A或1A（訂貨時說明）
Rated AC current: 5A or 1A (specify when ordering)
交流電壓AC Voltage： 100V
頻率測量范圍Frequency measurement range: 35 ～ 65Hz
工作電源： 交流：AC100V～264V；50Hz±0.5Hz；諧波畸變率不大于15%
直流：DC100V～264V，紋波系數不大于5%
Working power supply: AC: AC100V~264V; 50Hz ± 0.5Hz; Harmonic distortion rate not exceeding 15%
DC: DC100V~264V, ripple coefficient not exceeding 5%
功耗：
交流電壓回路： 每相不大于0.5VA
交流電流回路： 每相不大于0.5VA
直流電源回路： 正常工作時，不大于5W
保護動作時，不大于10W
Power consumption:
AC voltage circuit: not more than 0.5VA per phase
AC current circuit: not more than 0.5VA per phase
DC power supply circuit: Under normal operation, not more than 5W
During protection action, not exceeding 10W
保護回路過載能力：
交流電壓回路： 1.4倍額定電壓，連續(xù)工作
交流電流回路： 2倍額定電流，連續(xù)工作
10倍額定電流，允許10s
20倍額定電流，允許1s
Overload capacity of protection circuit:
AC voltage circuit: 1.4 times rated voltage, continuous operation
AC current circuit: 2 times rated current, continuous operation
10 times the rated current, allowing for 10 seconds
20 times rated current, allowed for 1 second
裝置經受上述的過載電流/電壓后，絕緣性能不下降。
After experiencing the above overload current/voltage, the insulation performance of the device does not decrease.
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
