[{"data":1,"prerenderedAt":411},["ShallowReactive",2],{"guide-zh-jk-bms-balance-settings":3,"guides-zh":354},{"id":4,"title":5,"body":6,"date":333,"description":334,"extension":335,"keywords":336,"meta":343,"navigation":344,"path":345,"related":346,"seo":350,"stem":351,"updated":352,"__hash__":353},"guides_zh\u002Fguides\u002Fjk-bms-balance-settings.md","JK BMS 均衡设置：均衡启动电压、触发压差和均衡电流",{"type":7,"value":8,"toc":312},"minimark",[9,13,18,21,39,50,53,58,61,63,66,68,71,73,76,80,83,86,99,103,106,193,201,205,208,235,238,255,258,273,276,280,283,287,290,294,301],[10,11,12],"p",{},"JK BMS 的均衡设置一共四项：均衡开关（Balancer）、均衡启动电压、均衡触发压差和最大均衡电流。只有同时满足三个条件，主动均衡器才会工作：开关已打开，至少有一个电芯高于启动电压，最高与最低电芯的压差大于触发压差。对于 LFP，启动电压 3.40 V 左右、触发压差 0.005 到 0.01 V 是不错的起点。",[14,15,17],"h2",{"id":16},"jk-主动均衡器何时开始工作","JK 主动均衡器何时开始工作",[10,19,20],{},"JK 的均衡器是主动均衡，而不是被动均衡。它把能量从最高的电芯转移到最低的电芯，而不是把多余能量变成热量烧掉。只有下面两个条件同时成立，它才会开始转移：",[22,23,24,33],"ul",{},[25,26,27,28,32],"li",{},"有电芯高于",[29,30,31],"strong",{},"均衡启动电压","。",[25,34,35,36,32],{},"最高与最低电芯之间的压差大于",[29,37,38],{},"均衡触发压差",[10,40,41,42,45,46,49],{},"它会一直工作，直到压差降到触发值以下。",[29,43,44],{},"最大均衡电流","是电芯之间转移电流的上限。",[29,47,48],{},"均衡","开关则控制整个功能的开启与关闭。",[14,51,52],{"id":52},"四个参数",[54,55,57],"h3",{"id":56},"均衡开关","均衡（开关）",[10,59,60],{},"开启主动均衡器，建议保持打开。编辑器的说明建议配合合理的启动电压使用，避免均衡器在电压曲线的平台区工作。",[54,62,31],{"id":31},[10,64,65],{},"只有单体电压高于该值时才进行均衡。它必须低于单体 RCV（请求充电电压），否则电芯永远达不到。如果均衡启动电压不低于单体 RCV，编辑器也会给出警告。",[54,67,38],{"id":38},[10,69,70],{},"这是启动均衡的单体压差；当压差降到该值以下时，均衡也随之停止。JK 推荐 50 Ah 以上的电芯用 0.005 V，较小的电芯用 0.01 V。低于约 5 mV 时，均衡器主要是在响应测量噪声和线阻误差。",[54,72,44],{"id":44},[10,74,75],{},"均衡器在电芯之间转移的最大电流，要和硬件相匹配：PB2A 板为 2 A，PB1A 板为 1 A。",[14,77,79],{"id":78},"为什么-lfp-只应在接近充满时均衡","为什么 LFP 只应在接近充满时均衡",[10,81,82],{},"LFP 电芯的电压曲线又长又平。荷电状态大约在 10% 到 90% 之间时，电压几乎不变，所以这一区间里 20 mV 的压差几乎说明不了实际电量差多少。真正的差异会在曲线顶部的拐点处显现，那里电压上升很快。",[10,84,85],{},"如果均衡启动电压设得太低，比如低于约 3.35 V，均衡器就会在平台区工作。它根据噪声来回搬运电量，白白浪费能量；更糟的是可能把电量往错误的方向搬，让电池组越来越不均衡。从 3.40 V 开始均衡，可以保证均衡只发生在电压能反映真实电量的那一段曲线上。",[10,87,88,89,94,95,32],{},"这也是 RCV 时间重要的原因。如果充电结束前电芯没有在启动电压以上停留一段时间，均衡器就没有工作的窗口。完整的电压设置见 ",[90,91,93],"a",{"href":92},"\u002Fguides\u002Fjk-bms-lifepo4-settings","LiFePO4 的 JK BMS 设置","。电芯不均衡还会让 SOC 过早校准到 100%，相关内容见 ",[90,96,98],{"href":97},"\u002Fguides\u002Fjk-bms-soc-calibration","JK BMS SOC 校准",[14,100,102],{"id":101},"按电芯类型划分的-jk-bms-均衡设置","按电芯类型划分的 JK BMS 均衡设置",[10,104,105],{},"以下范围来自编辑器中的推荐值。NMC 和 LTO 的启动电压依据不如 LFP 充分，请把它们当作起点，并对照你的电芯规格书确认。",[107,108,109,131],"table",{},[110,111,112],"thead",{},[113,114,115,119,122,125,128],"tr",{},[116,117,118],"th",{},"参数",[116,120,121],{},"LFP 范围",[116,123,124],{},"NMC 范围",[116,126,127],{},"LTO 范围",[116,129,130],{},"标准预设（LFP \u002F NMC \u002F LTO）",[132,133,134,148,164,179],"tbody",{},[113,135,136,139,142,144,146],{},[137,138,56],"td",{},[137,140,141],{},"开",[137,143,141],{},[137,145,141],{},[137,147,141],{},[113,149,150,152,155,158,161],{},[137,151,31],{},[137,153,154],{},"3.40 到 3.45 V",[137,156,157],{},"3.90 到 4.00 V",[137,159,160],{},"2.40 到 2.50 V",[137,162,163],{},"3.40 \u002F 3.90 \u002F 2.40 V",[113,165,166,168,171,174,176],{},[137,167,38],{},[137,169,170],{},"0.005 到 0.01 V",[137,172,173],{},"0.005 到 0.015 V",[137,175,173],{},[137,177,178],{},"0.01 \u002F 0.01 \u002F 0.01 V",[113,180,181,183,186,188,190],{},[137,182,44],{},[137,184,185],{},"1 到 2 A",[137,187,185],{},[137,189,185],{},[137,191,192],{},"预设不修改",[10,194,195,196,200],{},"温和档 LFP 预设把触发压差收紧到 0.005 V。所有预设都不会修改最大均衡电流，所以请根据你的板子自行设置。各档预设可在",[90,197,199],{"href":198},"\u002Fpresets","预设页面","查看。",[14,202,204],{"id":203},"jk-bms-均衡不启动怎么办","JK BMS 均衡不启动怎么办",[10,206,207],{},"按顺序检查：",[209,210,211,217,223,229],"ol",{},[25,212,213,216],{},[29,214,215],{},"均衡开关没打开。"," 打开设置，确认已启用。",[25,218,219,222],{},[29,220,221],{},"所有电芯都低于均衡启动电压。"," 静置在 3.30 V 的电池组，在启动电压为 3.40 V 时不会均衡。可以充得更高，或在上表范围内调低启动电压。",[25,224,225,228],{},[29,226,227],{},"压差小于均衡触发压差。"," 如果电芯相差 4 mV 而触发值是 5 mV，就没有需要均衡的，这属于正常情况。",[25,230,231,234],{},[29,232,233],{},"启动电压高于电池组能达到的电压。"," 如果单体 RCV 或充电器在启动电压之前就停止充电，均衡器永远不会启动。",[10,236,237],{},"在本编辑器读取的字段中，没有单独的\"仅充电时均衡\"开关，所以上面四个参数就是全部的均衡设置。",[10,239,240,241,245,246,250,251,32],{},"要区分是单体不均衡还是充电器设定值的问题，请把详细日志加载到",[90,242,244],{"href":243},"\u002Flogs","日志分析页","。阅读",[90,247,249],{"href":248},"\u002Fguides\u002Fjk-bms-weak-cell-log","在日志中找出弱单体","，了解落后的单体在数据中是什么样子；如果触发是由充电器设得高于单体数 × 单体 OVP 引起的，请阅读",[90,252,254],{"href":253},"\u002Fguides\u002Fjk-bms-cell-overcharge-protection-tripping","单体过充保护为何反复触发",[14,256,257],{"id":257},"常见错误",[22,259,260,263,266],{},[25,261,262],{},"为了\"一直均衡\"，把启动电压设在 LFP 的平台区。",[25,264,265],{},"触发压差设得很低，结果一直在追噪声。",[25,267,268,269,32],{},"线阻设置不对时还相信单体压差读数。均衡线接触不良会导致读数错误，BMS 就会去均衡一个并不存在的压差。正常的均衡线读数约为 0.045 到 0.055 Ω。见 ",[90,270,272],{"href":271},"\u002Fguides\u002Fjk-bms-wire-resistance","JK BMS 线阻",[14,274,275],{"id":275},"常见问题",[54,277,279],{"id":278},"jk-bms-均衡触发压差设多少合适","JK BMS 均衡触发压差设多少合适？",[10,281,282],{},"LFP 设 0.005 到 0.01 V。50 Ah 以上的电芯用 0.005 V，较小的用 0.01 V。",[54,284,286],{"id":285},"均衡电流越大均衡越快吗","均衡电流越大均衡越快吗？",[10,288,289],{},"是的，但以硬件上限为准。不要超过板子支持的数值：PB2A 为 2 A，PB1A 为 1 A。",[54,291,293],{"id":292},"均衡器应该一直开着吗","均衡器应该一直开着吗？",[10,295,296,297,32],{},"对大多数电池组来说是的。保持开关打开，用启动电压来控制它何时工作。其他参数见 ",[90,298,300],{"href":299},"\u002Fguides\u002Fjk-bms-parameters-explained","JK BMS 参数详解",[10,302,303,307,308,311],{},[90,304,306],{"href":305},"\u002F","连接你的 BMS 或打开你的 .jkcfg","，在编辑器中检查均衡参数，或者从现成的",[90,309,310],{"href":198},"预设","开始。",{"title":313,"searchDepth":314,"depth":314,"links":315},"",3,[316,318,324,325,326,327,328],{"id":16,"depth":317,"text":17},2,{"id":52,"depth":317,"text":52,"children":319},[320,321,322,323],{"id":56,"depth":314,"text":57},{"id":31,"depth":314,"text":31},{"id":38,"depth":314,"text":38},{"id":44,"depth":314,"text":44},{"id":78,"depth":317,"text":79},{"id":101,"depth":317,"text":102},{"id":203,"depth":317,"text":204},{"id":257,"depth":317,"text":257},{"id":275,"depth":317,"text":275,"children":329},[330,331,332],{"id":278,"depth":314,"text":279},{"id":285,"depth":314,"text":286},{"id":292,"depth":314,"text":293},"2026-10-02","详解 JK BMS 均衡设置：均衡启动电压、均衡触发压差、最大均衡电流和均衡开关，适用于磷酸铁锂、三元和钛酸锂。","md",[337,338,339,340,341,342],"jk bms 均衡设置","jk bms 均衡触发压差","jk bms 均衡启动电压","jk bms 均衡电流","jk bms 不均衡","主动均衡 保护板 设置",{},true,"\u002Fguides\u002Fjk-bms-balance-settings",[347,348,349],"jk-bms-lifepo4-settings","jk-bms-weak-cell-log","jk-bms-wire-resistance",{"title":5,"description":334},"guides\u002Fjk-bms-balance-settings","2026-10-04","uXjbWERGMPiWvjZo0qZ86z3zKx2zW633q5VU2-wLDy8",[355,360,361,364,368,372,375,379,383,387,390,394,398,402,405,408],{"path":356,"title":357,"description":358,"date":352,"updated":359},"\u002Fguides\u002Fjk-bms-bluetooth-browser","在浏览器中通过蓝牙修改 JK BMS 设置","在 Chrome 或 Edge 中连接 JK BMS，读取全部设置，应用预设，再按安全顺序写回并逐项回读校验。无需 JK app。",null,{"path":345,"title":5,"description":334,"date":333,"updated":352},{"path":253,"title":362,"description":363,"date":333,"updated":359},"JK BMS 单体过充保护反复触发：原因与解决方法","JK BMS 单体过充保护每分钟触发又解除？了解充电器设得过高为何导致这种情况、如何与弱单体区分，以及怎样解决。",{"path":365,"title":366,"description":367,"date":333,"updated":352},"\u002Fguides\u002Fjk-bms-detail-log","如何导出并读懂 JK-BMS 详细日志（Detail Log）","JK-BMS 详细日志包含什么、如何从 app 导出、如何读懂其中的事件，以及日志分析页能告诉你哪些保护动作和故障信息。",{"path":369,"title":370,"description":371,"date":333,"updated":352},"\u002Fguides\u002Fjk-bms-export-import-settings","JK BMS 设置导出与导入：.jkcfg 文件完全指南","如何用 JK BMS app 导出和导入保护板设置，.jkcfg 文件里有什么，为什么手动改会损坏，以及如何在浏览器里安全编辑。",{"path":92,"title":373,"description":374,"date":333,"updated":352},"磷酸铁锂 JK BMS 参数设置：8S、16S，280Ah 与 314Ah 电芯","磷酸铁锂电池组的 JK BMS 参数设置：8S 和 16S、280Ah 与 314Ah 电芯的单体电压、均衡、电流和温度推荐值，分三种损耗等级。",{"path":376,"title":377,"description":378,"date":333,"updated":359},"\u002Fguides\u002Fjk-bms-log-messages-explained","JK BMS 日志消息详解：Boot、Time calibration、保护","每条 JK BMS 日志消息的含义：Boot、Time calibration、APP open charge、保护触发与解除，以及 Discharge On Failed。",{"path":380,"title":381,"description":382,"date":333,"updated":352},"\u002Fguides\u002Fjk-bms-nmc-lto-settings","JK BMS 三元锂与钛酸锂设置：安全的单体参数","JK BMS 三元锂 NMC 与钛酸锂 LTO 电池组设置：单体过压、欠压、均衡、温度和倍率的三档数值，以及编辑器如何识别电芯类型。",{"path":384,"title":385,"description":386,"date":333,"updated":352},"\u002Fguides\u002Fjk-bms-ocp-scp-settings","JK BMS 过流保护设置：OCP 与 SCP 参数指南","详解 JK BMS 过流保护设置：充放电 OCP 电流上限、延时、恢复时间与短路保护 SCP，附推荐范围和逆变器选型方法。",{"path":299,"title":388,"description":389,"date":333,"updated":352},"JK BMS 参数详解：按分组逐项讲解每个设置","一篇看懂 JK BMS 参数：单体 OVP、OVPR、UVP、UVPR、均衡、SOC、RCV 与 RFV、电流和温度保护，附磷酸铁锂常用范围。",{"path":391,"title":392,"description":393,"date":333,"updated":352},"\u002Fguides\u002Fjk-bms-password","JK BMS 密码：默认密码、修改与重置指南","JK BMS 的密码其实有两个：蓝牙连接密码和设置密码。本文介绍出厂默认值、修改方法、密码无效时的排查，以及忘记密码怎么办。",{"path":395,"title":396,"description":397,"date":333,"updated":352},"\u002Fguides\u002Fjk-bms-reboots-power-events","JK BMS 重启与充电 MOS 关闭：在日志中读懂电源事件","JK BMS 重启，或充电 MOS 自己关闭？学会读懂详细日志中的 Boot 行和 MOS 状态，分清正常重启与真正的故障。",{"path":399,"title":400,"description":401,"date":333,"updated":352},"\u002Fguides\u002Fjk-bms-sending-failure","JK BMS 发送失败（Sending failure）：原因与逐步解决方法","JK BMS 导入设置时提示发送失败？了解固件拒绝参数的原因（电压顺序链、写入顺序、短路延时），并按步骤解决。",{"path":97,"title":403,"description":404,"date":333,"updated":352},"JK BMS SOC 校准：解决电量漂移、跳变和复位问题","JK BMS SOC 校准详解：SOC 为什么会漂移或跳变，SOC-100% 电压和 SOC-0% 电压的作用，以及如何设置并重新校准电池组。",{"path":248,"title":406,"description":407,"date":333,"updated":359},"用 JK BMS 日志找出弱单体：触发、压差与均衡","在 JK BMS 详细日志中找出弱单体：哪节单体先触发、触发时压差有多大，以及这是均衡漂移还是单体已损坏。",{"path":271,"title":409,"description":410,"date":333,"updated":352},"JK BMS 线阻：均衡线阻异常报警的排查与修复","JK BMS 线阻详解：均衡线阻异常报警的含义、正常数值范围、常见原因，以及如何修好一根有问题的均衡线。",1791151319538]