订货须知Ordering Notice
产品型号、名称、订货数量；
Product model, name, and order quantity;
电流互感器额定交流电流：1A，5A；
Rated AC current of current transformer: 1A, 5A;
控制回路电源电压等级：AC/DC220V，DC110V，DC48V（可定制）；
Control circuit power supply voltage level: AC/DC220V, DC110V, DC48V (customizable);
开入插件电压等级：AC/DC220V，DC110V，无源；
Input plug-in voltage level: AC/DC220V, DC110V, passive;
适用范围Scope of Application
DSP-822 适用于35kV及以下电压等级的不接地系统、电阻接地系统及直接接地系统的变压器保护及测控装置，可组屏安装，也可在开关柜就地安装。
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.
产品特点Product Features
人性化设计界面：大屏幕液晶显示屏，实时显示电流、电压、功率、频率等电气量，汉化操作菜单简单易用，清晰显示保护动作全过程。
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.
出口独立：所有出口继电器都单独使用一个通道，遥控分合、保护跳闸、事故信号、告警信号及其他特殊信号出口均可单独配置。
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：装置集成操作回路，紧急时可直接对开关进行操作。
High integration: The device integrates an operating circuit and can directly operate the switch in case of emergency.
设计灵活：根据现场情况，可设计成集中组屏式，也可分散安装于开关柜。
Flexible design: Depending on the on-site situation, it can be designed as a centralized group screen or installed separately in the switchgear.
运行可靠：具有完善的自检体系及操作记录。
Reliable operation: With a comprehensive self inspection system and operation records.
环境参数Environmental Parameters
工作温度Operation temperature： -40 ～ 70 ℃
贮存及运输Storage and transportation： -40 ～ 80 ℃
相对湿度Relative humidity： 5% ～ 90%（内部无凝露 No condensation inside）
额定电气参数Rated Electrical Parameters
额定交流电流： 5A或1A（订货时说明）
Rated AC current: 5A or 1A (specify when ordering)
交流电压AC Voltage： 100V
频率测量范围Frequency measurement range: 35 ～ 65Hz
工作电源： 交流：AC100V～264V；50Hz±0.5Hz；谐波畸变率不大于15%
直流：DC100V～264V，纹波系数不大于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：
交流电压回路： 每相不大于0.5VA
交流电流回路： 每相不大于0.5VA
直流电源回路： 正常工作时，不大于5W
保护动作时，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
保护回路过载能力：
交流电压回路： 1.4倍额定电压，连续工作
交流电流回路： 2倍额定电流，连续工作
10倍额定电流，允许10s
20倍额定电流，允许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
装置经受上述的过载电流/电压后，绝缘性能不下降。
After experiencing the above overload current/voltage, the insulation performance of the device does not decrease.
主要技术指标Main Technical Indicators
定值精度
电流定值误差： ≤±2.5%
频率定值误差： ≤±0.02Hz
激励量≥1.2倍定值时，瞬时动作段动作时间： ≤35ms
延时动作段动作时间离散误差： 不大于±5%或±35ms
遥信量分辨率： ≤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
遥测量计量等级
电流、电压： 0.5级
频率： ±0.01Hz
其他： 1.0级
Remote measurement and measurement level
Current and voltage: 0.5 level
Frequency: ± 0.01Hz
Other: Level 1.0
继电器输出
输出形式：无源接点
触点容量：8A@250V（AC）；8A@30V（DC）
动作时间：≤8ms
返回时间：≤5ms
Relay output 11
Output form: Passive contact
Contact capacity: 8a@250v (AC); 8a@30v (DC)
Action time: ≤ 8ms
Return time: ≤ 5ms
